20150135115 has 64 divisors (see below), whose sum is σ = 35443008000. Its totient is φ = 9694576640.

The previous prime is 20150135111. The next prime is 20150135123. The reversal of 20150135115 is 51153105102.

It is not a de Polignac number, because 20150135115 - 2² = 20150135111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20150135111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13441636 + ... + 13443134.

It is an arithmetic number, because the mean of its divisors is an integer number (553797000).

Almost surely, 2^20150135115 is an apocalyptic number.

20150135115 is a deficient number, since it is larger than the sum of its proper divisors (15292872885).

20150135115 is a wasteful number, since it uses less digits than its factorization.

20150135115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 20150135115 in words is "twenty billion, one hundred fifty million, one hundred thirty-five thousand, one hundred fifteen".