11073081915 has 160 divisors (see below), whose sum is σ = 23992151040. Its totient is φ = 4772908800.

The previous prime is 11073081907. The next prime is 11073081923. The reversal of 11073081915 is 51918037011.

It is an interprime number because it is at equal distance from previous prime (11073081907) and next prime (11073081923).

It is not a de Polignac number, because 11073081915 - 2³ = 11073081907 is a prime.

It is a super-2 number, since 2×11073081915² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11073081915.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 16751685 + ... + 16752345.

It is an arithmetic number, because the mean of its divisors is an integer number (149950944).

Almost surely, 2^11073081915 is an apocalyptic number.

11073081915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11073081915 is an abundant number, since it is smaller than the sum of its proper divisors (12919069125).

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

11073081915 is a wasteful number, since it uses less digits than its factorization.

11073081915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The spelling of 11073081915 in words is "eleven billion, seventy-three million, eighty-one thousand, nine hundred fifteen".