11415887073 has 24 divisors (see below), whose sum is σ = 17487943200. Its totient is φ = 7151278464.

The previous prime is 11415887069. The next prime is 11415887083. The reversal of 11415887073 is 37078851411.

It is not a de Polignac number, because 11415887073 - 2² = 11415887069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11415887023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34438 + ... + 154976.

It is an arithmetic number, because the mean of its divisors is an integer number (728664300).

Almost surely, 2^11415887073 is an apocalyptic number.

It is an amenable number.

11415887073 is a deficient number, since it is larger than the sum of its proper divisors (6072056127).

11415887073 is a wasteful number, since it uses less digits than its factorization.

11415887073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121181 (or 121178 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 11415887073 in words is "eleven billion, four hundred fifteen million, eight hundred eighty-seven thousand, seventy-three".