150725504421 has 6 divisors (see below), whose sum is σ = 217714617510. Its totient is φ = 100483669608.

The previous prime is 150725504411. The next prime is 150725504443. The reversal of 150725504421 is 124405527051.

150725504421 is a `hidden beast` number, since 15 + 0 + 72 + 550 + 4 + 4 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 147947160321 + 2778344100 = 384639^2 + 52710^2 .

It is not a de Polignac number, because 150725504421 - 2⁵ = 150725504389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150725504411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8373639126 + ... + 8373639143.

It is an arithmetic number, because the mean of its divisors is an integer number (36285769585).

Almost surely, 2^150725504421 is an apocalyptic number.

It is an amenable number.

150725504421 is a deficient number, since it is larger than the sum of its proper divisors (66989113089).

150725504421 is a wasteful number, since it uses less digits than its factorization.

150725504421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747278275 (or 16747278272 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 150725504421 in words is "one hundred fifty billion, seven hundred twenty-five million, five hundred four thousand, four hundred twenty-one".