11231651541 has 16 divisors (see below), whose sum is σ = 16900292160. Its totient is φ = 6572334720.

The previous prime is 11231651537. The next prime is 11231651551. The reversal of 11231651541 is 14515613211.

It is not a de Polignac number, because 11231651541 - 2² = 11231651537 is a prime.

It is a super-2 number, since 2×11231651541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231651499 and 11231651508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231651521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5867200 + ... + 5869113.

It is an arithmetic number, because the mean of its divisors is an integer number (1056268260).

Almost surely, 2^11231651541 is an apocalyptic number.

11231651541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11231651541 is a deficient number, since it is larger than the sum of its proper divisors (5668640619).

11231651541 is a wasteful number, since it uses less digits than its factorization.

11231651541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736356.

The product of its digits is 3600, while the sum is 30.

The spelling of 11231651541 in words is "eleven billion, two hundred thirty-one million, six hundred fifty-one thousand, five hundred forty-one".