156877814011 has 2 divisors, whose sum is σ = 156877814012. Its totient is φ = 156877814010.

The previous prime is 156877813979. The next prime is 156877814069. The reversal of 156877814011 is 110418778651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 156877814011 - 2⁵ = 156877813979 is a prime.

It is a super-2 number, since 2×156877814011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156877814111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78438907005 + 78438907006.

It is an arithmetic number, because the mean of its divisors is an integer number (78438907006).

Almost surely, 2^156877814011 is an apocalyptic number.

156877814011 is a deficient number, since it is larger than the sum of its proper divisors (1).

156877814011 is an equidigital number, since it uses as much as digits as its factorization.

156877814011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 49.

The spelling of 156877814011 in words is "one hundred fifty-six billion, eight hundred seventy-seven million, eight hundred fourteen thousand, eleven".