150515031421200 has 120 divisors (see below), whose sum is σ = 482183049395008. Its totient is φ = 40134575255040.

The previous prime is 150515031421159. The next prime is 150515031421201. The reversal of 150515031421200 is 2124130515051.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (150515031421201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13124277 + ... + 21754923.

Almost surely, 2^{150515031421200} is an apocalyptic number.

150515031421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150515031421200 is an abundant number, since it is smaller than the sum of its proper divisors (331668017973808).

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

150515031421200 is a wasteful number, since it uses less digits than its factorization.

150515031421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645201 (or 8645190 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 150515031421200 its reverse (2124130515051), we get a palindrome (152639161936251).

The spelling of 150515031421200 in words is "one hundred fifty trillion, five hundred fifteen billion, thirty-one million, four hundred twenty-one thousand, two hundred".