11534564051 has 2 divisors, whose sum is σ = 11534564052. Its totient is φ = 11534564050.

The previous prime is 11534564047. The next prime is 11534564059. The reversal of 11534564051 is 15046543511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11534564051 - 2² = 11534564047 is a prime.

It is not a weakly prime, because it can be changed into another prime (11534564059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767282025 + 5767282026.

It is an arithmetic number, because the mean of its divisors is an integer number (5767282026).

Almost surely, 2^11534564051 is an apocalyptic number.

11534564051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534564051 is an equidigital number, since it uses as much as digits as its factorization.

11534564051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 11534564051 in words is "eleven billion, five hundred thirty-four million, five hundred sixty-four thousand, fifty-one".