11121513139 has 16 divisors (see below), whose sum is σ = 12207456000. Its totient is φ = 10048246560.

The previous prime is 11121513131. The next prime is 11121513209. The reversal of 11121513139 is 93131512111.

It is not a de Polignac number, because 11121513139 - 2³ = 11121513131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121513131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231362 + ... + 1240360.

It is an arithmetic number, because the mean of its divisors is an integer number (762966000).

Almost surely, 2^11121513139 is an apocalyptic number.

11121513139 is a deficient number, since it is larger than the sum of its proper divisors (1085942861).

11121513139 is a wasteful number, since it uses less digits than its factorization.

11121513139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690.

The product of its digits is 810, while the sum is 28.

The spelling of 11121513139 in words is "eleven billion, one hundred twenty-one million, five hundred thirteen thousand, one hundred thirty-nine".