150154115561 has 12 divisors (see below), whose sum is σ = 166199728212. Its totient is φ = 135177098496.

The previous prime is 150154115539. The next prime is 150154115609. The reversal of 150154115561 is 165511451051.

It can be written as a sum of positive squares in 2 ways, for example, as 52267104400 + 97887011161 = 228620^2 + 312869^2 .

It is a de Polignac number, because none of the positive numbers 2^k-150154115561 is a prime.

It is a super-2 number, since 2×150154115561² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150154115521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8339396 + ... + 8357381.

It is an arithmetic number, because the mean of its divisors is an integer number (13849977351).

Almost surely, 2^150154115561 is an apocalyptic number.

It is an amenable number.

150154115561 is a deficient number, since it is larger than the sum of its proper divisors (16045612651).

150154115561 is a wasteful number, since it uses less digits than its factorization.

150154115561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696840 (or 16696817 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 35.

The spelling of 150154115561 in words is "one hundred fifty billion, one hundred fifty-four million, one hundred fifteen thousand, five hundred sixty-one".