7135752881256 has 64 divisors (see below), whose sum is σ = 18616461102720. Its totient is φ = 2274989925120.

The previous prime is 7135752881219. The next prime is 7135752881267. The reversal of 7135752881256 is 6521882575317.

It is a happy number.

It is a super-2 number, since 2×7135752881256² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7135752881256.

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 15 ways as a sum of consecutive naturals, for example, 6662866 + ... + 7659326.

It is an arithmetic number, because the mean of its divisors is an integer number (290882204730).

Almost surely, 2^{7135752881256} is an apocalyptic number.

It is an amenable number.

7135752881256 is an abundant number, since it is smaller than the sum of its proper divisors (11480708221464).

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

7135752881256 is a wasteful number, since it uses less digits than its factorization.

7135752881256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009466 (or 1009462 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 60.

The spelling of 7135752881256 in words is "seven trillion, one hundred thirty-five billion, seven hundred fifty-two million, eight hundred eighty-one thousand, two hundred fifty-six".