150215155015 has 16 divisors (see below), whose sum is σ = 182524622976. Its totient is φ = 118669017600.

The previous prime is 150215155009. The next prime is 150215155021. The reversal of 150215155015 is 510551512051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (150215155009) and next prime (150215155021).

It is not a de Polignac number, because 150215155015 - 2⁵ = 150215154983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337416 + ... + 643645.

It is an arithmetic number, because the mean of its divisors is an integer number (11407788936).

Almost surely, 2^150215155015 is an apocalyptic number.

150215155015 is a deficient number, since it is larger than the sum of its proper divisors (32309467961).

150215155015 is a wasteful number, since it uses less digits than its factorization.

150215155015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981450.

The product of its (nonzero) digits is 6250, while the sum is 31.

Adding to 150215155015 its reverse (510551512051), we get a palindrome (660766667066).

The spelling of 150215155015 in words is "one hundred fifty billion, two hundred fifteen million, one hundred fifty-five thousand, fifteen".