1501950138472 has 64 divisors (see below), whose sum is σ = 3445278912000. Its totient is φ = 599478480576.

The previous prime is 1501950138433. The next prime is 1501950138497. The reversal of 1501950138472 is 2748310591051.

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, 11899998 + ... + 12025549.

It is an arithmetic number, because the mean of its divisors is an integer number (53832483000).

Almost surely, 2^{1501950138472} is an apocalyptic number.

It is an amenable number.

1501950138472 is an abundant number, since it is smaller than the sum of its proper divisors (1943328773528).

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

1501950138472 is a wasteful number, since it uses less digits than its factorization.

1501950138472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23925638 (or 23925634 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 1501950138472 in words is "one trillion, five hundred one billion, nine hundred fifty million, one hundred thirty-eight thousand, four hundred seventy-two".