150515401320 has 96 divisors (see below), whose sum is σ = 489650728320. Its totient is φ = 40098410880.

The previous prime is 150515401319. The next prime is 150515401321. The reversal of 150515401320 is 23104515051.

150515401320 is a `hidden beast` number, since 1 + 50 + 51 + 540 + 1 + 3 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (150515401319) and next prime (150515401321).

It is not an unprimeable number, because it can be changed into a prime (150515401321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168397 + ... + 573923.

It is an arithmetic number, because the mean of its divisors is an integer number (5100528420).

Almost surely, 2^150515401320 is an apocalyptic number.

150515401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150515401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244825364160).

150515401320 is an abundant number, since it is smaller than the sum of its proper divisors (339135327000).

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

150515401320 is a wasteful number, since it uses less digits than its factorization.

150515401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406575 (or 406568 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 150515401320 its reverse (23104515051), we get a palindrome (173619916371).

The spelling of 150515401320 in words is "one hundred fifty billion, five hundred fifteen million, four hundred one thousand, three hundred twenty".