150538086681 has 4 divisors (see below), whose sum is σ = 200717448912. Its totient is φ = 100358724452.

The previous prime is 150538086653. The next prime is 150538086709. The reversal of 150538086681 is 186680835051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (150538086653) and next prime (150538086709).

It is a cyclic number.

It is not a de Polignac number, because 150538086681 - 2¹⁷ = 150537955609 is a prime.

It is a super-2 number, since 2×150538086681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150538086481) 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, 25089681111 + ... + 25089681116.

It is an arithmetic number, because the mean of its divisors is an integer number (50179362228).

Almost surely, 2^150538086681 is an apocalyptic number.

It is an amenable number.

150538086681 is a deficient number, since it is larger than the sum of its proper divisors (50179362231).

150538086681 is an equidigital number, since it uses as much as digits as its factorization.

150538086681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50179362230.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 150538086681 in words is "one hundred fifty billion, five hundred thirty-eight million, eighty-six thousand, six hundred eighty-one".