150472427521 has 4 divisors (see below), whose sum is σ = 162047229652. Its totient is φ = 138897625392.

The previous prime is 150472427491. The next prime is 150472427543. The reversal of 150472427521 is 125724274051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125724274051 = 23531 ⋅5342921.

It can be written as a sum of positive squares in 2 ways, for example, as 100580951025 + 49891476496 = 317145^2 + 223364^2 .

It is a cyclic number.

It is not a de Polignac number, because 150472427521 - 2¹⁵ = 150472394753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150472427551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5787401046 + ... + 5787401071.

It is an arithmetic number, because the mean of its divisors is an integer number (40511807413).

Almost surely, 2^150472427521 is an apocalyptic number.

It is an amenable number.

150472427521 is a deficient number, since it is larger than the sum of its proper divisors (11574802131).

150472427521 is a wasteful number, since it uses less digits than its factorization.

150472427521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574802130.

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 150472427521 in words is "one hundred fifty billion, four hundred seventy-two million, four hundred twenty-seven thousand, five hundred twenty-one".