20150512151 has 32 divisors (see below), whose sum is σ = 25969545216. Its totient is φ = 15173856000.

The previous prime is 20150512133. The next prime is 20150512153. The reversal of 20150512151 is 15121505102.

It is a cyclic number.

It is not a de Polignac number, because 20150512151 - 2²⁶ = 20083403287 is a prime.

It is a super-3 number, since 3×20150512151³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150512153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1810961 + ... + 1822053.

It is an arithmetic number, because the mean of its divisors is an integer number (811548288).

Almost surely, 2^20150512151 is an apocalyptic number.

20150512151 is a deficient number, since it is larger than the sum of its proper divisors (5819033065).

20150512151 is a wasteful number, since it uses less digits than its factorization.

20150512151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903.

The product of its (nonzero) digits is 500, while the sum is 23.

The spelling of 20150512151 in words is "twenty billion, one hundred fifty million, five hundred twelve thousand, one hundred fifty-one".