2015112120150 has 48 divisors (see below), whose sum is σ = 5046958076688. Its totient is φ = 532042800000.

The previous prime is 2015112120107. The next prime is 2015112120191. The reversal of 2015112120150 is 510212115102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66490201 + ... + 66520500.

It is an arithmetic number, because the mean of its divisors is an integer number (105144959931).

Almost surely, 2^{2015112120150} is an apocalyptic number.

2015112120150 is an abundant number, since it is smaller than the sum of its proper divisors (3031845956538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015112120150 is a wasteful number, since it uses less digits than its factorization.

2015112120150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133010817 (or 133010812 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 2015112120150 its reverse (510212115102), we get a palindrome (2525324235252).

The spelling of 2015112120150 in words is "two trillion, fifteen billion, one hundred twelve million, one hundred twenty thousand, one hundred fifty".