11162920 has 16 divisors (see below), whose sum is σ = 25116660. Its totient is φ = 4465152.

The previous prime is 11162917. The next prime is 11162933. The reversal of 11162920 is 2926111.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 910116 = 3202^2 + 954^2 .

It is a super-2 number, since 2×11162920² = 249221565852800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11162891 and 11162900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139497 + ... + 139576.

Almost surely, 2^11162920 is an apocalyptic number.

11162920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11162920 is an abundant number, since it is smaller than the sum of its proper divisors (13953740).

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

11162920 is a wasteful number, since it uses less digits than its factorization.

11162920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279084 (or 279080 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11162920 is about 3341.0956286823. The cubic root of 11162920 is about 223.4906047997.

The spelling of 11162920 in words is "eleven million, one hundred sixty-two thousand, nine hundred twenty".