11313551534 has 32 divisors (see below), whose sum is σ = 17358471264. Its totient is φ = 5529047040.

The previous prime is 11313551533. The next prime is 11313551551. The reversal of 11313551534 is 43515531311.

It is a self number, because there is not a number n which added to its sum of digits gives 11313551534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313551533) 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, 9326312 + ... + 9327524.

It is an arithmetic number, because the mean of its divisors is an integer number (542452227).

Almost surely, 2^11313551534 is an apocalyptic number.

11313551534 is a deficient number, since it is larger than the sum of its proper divisors (6044919730).

11313551534 is a wasteful number, since it uses less digits than its factorization.

11313551534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its digits is 13500, while the sum is 32.

The spelling of 11313551534 in words is "eleven billion, three hundred thirteen million, five hundred fifty-one thousand, five hundred thirty-four".