1126739315520 has 2240 divisors, whose sum is σ = 5162981548032. Its totient is φ = 226934784000.

The previous prime is 1126739315509. The next prime is 1126739315549. The reversal of 1126739315520 is 255139376211.

1126739315520 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 7 + 3 + 93 + 1 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2240).

It is a super-2 number, since 2×1126739315520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 5899158625 + ... + 5899158815.

Almost surely, 2^{1126739315520} is an apocalyptic number.

1126739315520 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 1126739315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2581490774016).

1126739315520 is an abundant number, since it is smaller than the sum of its proper divisors (4036242232512).

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

1126739315520 is a wasteful number, since it uses less digits than its factorization.

1126739315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 1126739315520 in words is "one trillion, one hundred twenty-six billion, seven hundred thirty-nine million, three hundred fifteen thousand, five hundred twenty".