11345903522 has 18 divisors (see below), whose sum is σ = 17201317329. Its totient is φ = 5612771880.

The previous prime is 11345903507. The next prime is 11345903533. The reversal of 11345903522 is 22530954311.

It can be written as a sum of positive squares in 2 ways, for example, as 10887044281 + 458859241 = 104341^2 + 21421^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75319.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16419197 + ... + 16419887.

Almost surely, 2^11345903522 is an apocalyptic number.

11345903522 is a deficient number, since it is larger than the sum of its proper divisors (5855413807).

11345903522 is an frugal number, since it uses more digits than its factorization.

11345903522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 11345903522 in words is "eleven billion, three hundred forty-five million, nine hundred three thousand, five hundred twenty-two".