1051351351320 has 256 divisors, whose sum is σ = 3297763860480. Its totient is φ = 267835392000.

The previous prime is 1051351351307. The next prime is 1051351351327. The reversal of 1051351351320 is 231531531501.

It is a super-2 number, since 2×1051351351320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051351351327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132625197 + ... + 132633123.

It is an arithmetic number, because the mean of its divisors is an integer number (12881890080).

Almost surely, 2^{1051351351320} is an apocalyptic number.

1051351351320 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 1051351351320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648881930240).

1051351351320 is an abundant number, since it is smaller than the sum of its proper divisors (2246412509160).

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

1051351351320 is a wasteful number, since it uses less digits than its factorization.

1051351351320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426 (or 8422 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 1051351351320 its reverse (231531531501), we get a palindrome (1282882882821).

The spelling of 1051351351320 in words is "one trillion, fifty-one billion, three hundred fifty-one million, three hundred fifty-one thousand, three hundred twenty".