11697587051 has 2 divisors, whose sum is σ = 11697587052. Its totient is φ = 11697587050.

The previous prime is 11697587029. The next prime is 11697587159. The reversal of 11697587051 is 15078579611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11697587051 - 2³⁰ = 10623845227 is a prime.

It is not a weakly prime, because it can be changed into another prime (11697587651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5848793525 + 5848793526.

It is an arithmetic number, because the mean of its divisors is an integer number (5848793526).

Almost surely, 2^11697587051 is an apocalyptic number.

11697587051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11697587051 is an equidigital number, since it uses as much as digits as its factorization.

11697587051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 50.

The spelling of 11697587051 in words is "eleven billion, six hundred ninety-seven million, five hundred eighty-seven thousand, fifty-one".