11110577531 has 2 divisors, whose sum is σ = 11110577532. Its totient is φ = 11110577530.

The previous prime is 11110577521. The next prime is 11110577557. The reversal of 11110577531 is 13577501111.

It is a weak prime.

It is an emirp because it is prime and its reverse (13577501111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110577531 is a prime.

It is a super-2 number, since 2×11110577531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11110577521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555288765 + 5555288766.

It is an arithmetic number, because the mean of its divisors is an integer number (5555288766).

Almost surely, 2^11110577531 is an apocalyptic number.

11110577531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110577531 is an equidigital number, since it uses as much as digits as its factorization.

11110577531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 32.

The spelling of 11110577531 in words is "eleven billion, one hundred ten million, five hundred seventy-seven thousand, five hundred thirty-one".