11345515356 has 48 divisors (see below), whose sum is σ = 30282384384. Its totient is φ = 3238610496.

The previous prime is 11345515309. The next prime is 11345515421. The reversal of 11345515356 is 65351554311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31426 + ... + 153878.

It is an arithmetic number, because the mean of its divisors is an integer number (630883008).

Almost surely, 2^11345515356 is an apocalyptic number.

It is an amenable number.

11345515356 is an abundant number, since it is smaller than the sum of its proper divisors (18936869028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11345515356 is a wasteful number, since it uses less digits than its factorization.

11345515356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123570 (or 123568 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The spelling of 11345515356 in words is "eleven billion, three hundred forty-five million, five hundred fifteen thousand, three hundred fifty-six".