1051320501000 has 1536 divisors, whose sum is σ = 4693071052800. Its totient is φ = 205793280000.

The previous prime is 1051320500903. The next prime is 1051320501029. The reversal of 1051320501000 is 1050231501.

1051320501000 is a `hidden beast` number, since 1 + 0 + 513 + 2 + 0 + 50 + 100 + 0 = 666.

It is a super-2 number, since 2×1051320501000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1131668536 + ... + 1131669464.

It is an arithmetic number, because the mean of its divisors is an integer number (3055384800).

Almost surely, 2^{1051320501000} is an apocalyptic number.

1051320501000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051320501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346535526400).

1051320501000 is an abundant number, since it is smaller than the sum of its proper divisors (3641750551800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051320501000 is a wasteful number, since it uses less digits than its factorization.

1051320501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 1051320501000 its reverse (1050231501), we get a palindrome (1052370732501).

The spelling of 1051320501000 in words is "one trillion, fifty-one billion, three hundred twenty million, five hundred one thousand".