1156612077755 has 16 divisors (see below), whose sum is σ = 1436405443200. Its totient is φ = 893002857600.

The previous prime is 1156612077721. The next prime is 1156612077773. The reversal of 1156612077755 is 5577702166511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1156612077755 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1156612077697 and 1156612077706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355540 + ... + 2037329.

It is an arithmetic number, because the mean of its divisors is an integer number (89775340200).

Almost surely, 2^{1156612077755} is an apocalyptic number.

1156612077755 is a deficient number, since it is larger than the sum of its proper divisors (279793365445).

1156612077755 is a wasteful number, since it uses less digits than its factorization.

1156612077755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395254.

The product of its (nonzero) digits is 3087000, while the sum is 53.

The spelling of 1156612077755 in words is "one trillion, one hundred fifty-six billion, six hundred twelve million, seventy-seven thousand, seven hundred fifty-five".