11132615531 has 2 divisors, whose sum is σ = 11132615532. Its totient is φ = 11132615530.

The previous prime is 11132615449. The next prime is 11132615587. The reversal of 11132615531 is 13551623111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132615531 is a prime.

It is a super-2 number, since 2×11132615531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11132615494 and 11132615503.

It is not a weakly prime, because it can be changed into another prime (11132615731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566307765 + 5566307766.

It is an arithmetic number, because the mean of its divisors is an integer number (5566307766).

Almost surely, 2^11132615531 is an apocalyptic number.

11132615531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132615531 is an equidigital number, since it uses as much as digits as its factorization.

11132615531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The spelling of 11132615531 in words is "eleven billion, one hundred thirty-two million, six hundred fifteen thousand, five hundred thirty-one".