150697615857 has 4 divisors (see below), whose sum is σ = 200930154480. Its totient is φ = 100465077236.

The previous prime is 150697615841. The next prime is 150697615883. The reversal of 150697615857 is 758516796051.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 150697615857 - 2⁴ = 150697615841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150697615857.

It is not an unprimeable number, because it can be changed into a prime (150697615457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25116269307 + ... + 25116269312.

It is an arithmetic number, because the mean of its divisors is an integer number (50232538620).

Almost surely, 2^150697615857 is an apocalyptic number.

It is an amenable number.

150697615857 is a deficient number, since it is larger than the sum of its proper divisors (50232538623).

150697615857 is an equidigital number, since it uses as much as digits as its factorization.

150697615857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50232538622.

The product of its (nonzero) digits is 15876000, while the sum is 60.

The spelling of 150697615857 in words is "one hundred fifty billion, six hundred ninety-seven million, six hundred fifteen thousand, eight hundred fifty-seven".