11253415531 has 4 divisors (see below), whose sum is σ = 11492849952. Its totient is φ = 11013981112.

The previous prime is 11253415501. The next prime is 11253415543. The reversal of 11253415531 is 13551435211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11253415531 - 2⁵ = 11253415499 is a prime.

It is a super-2 number, since 2×11253415531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11253415493 and 11253415502.

It is not an unprimeable number, because it can be changed into a prime (11253415501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119717140 + ... + 119717233.

It is an arithmetic number, because the mean of its divisors is an integer number (2873212488).

Almost surely, 2^11253415531 is an apocalyptic number.

11253415531 is a deficient number, since it is larger than the sum of its proper divisors (239434421).

11253415531 is an equidigital number, since it uses as much as digits as its factorization.

11253415531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239434420.

The product of its digits is 9000, while the sum is 31.

The spelling of 11253415531 in words is "eleven billion, two hundred fifty-three million, four hundred fifteen thousand, five hundred thirty-one".