150615515556 has 96 divisors (see below), whose sum is σ = 427500178560. Its totient is φ = 45478540800.

The previous prime is 150615515537. The next prime is 150615515573. The reversal of 150615515556 is 655515516051.

150615515556 is a `hidden beast` number, since 15 + 0 + 615 + 5 + 15 + 5 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108240 + ... + 559416.

It is an arithmetic number, because the mean of its divisors is an integer number (4453126860).

Almost surely, 2^150615515556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150615515556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213750089280).

150615515556 is an abundant number, since it is smaller than the sum of its proper divisors (276884663004).

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

150615515556 is a wasteful number, since it uses less digits than its factorization.

150615515556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451482 (or 451474 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 150615515556 in words is "one hundred fifty billion, six hundred fifteen million, five hundred fifteen thousand, five hundred fifty-six".