150565511601 has 6 divisors (see below), whose sum is σ = 217483516770. Its totient is φ = 100377007728.

The previous prime is 150565511573. The next prime is 150565511611. The reversal of 150565511601 is 106115565051.

It is a happy number.

150565511601 is a `hidden beast` number, since 1 + 50 + 56 + 551 + 1 + 6 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150077985201 + 487526400 = 387399^2 + 22080^2 .

It is not a de Polignac number, because 150565511601 - 2¹¹ = 150565509553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150565511611) 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, 8364750636 + ... + 8364750653.

It is an arithmetic number, because the mean of its divisors is an integer number (36247252795).

Almost surely, 2^150565511601 is an apocalyptic number.

It is an amenable number.

150565511601 is a deficient number, since it is larger than the sum of its proper divisors (66918005169).

150565511601 is a wasteful number, since it uses less digits than its factorization.

150565511601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16729501295 (or 16729501292 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 150565511601 in words is "one hundred fifty billion, five hundred sixty-five million, five hundred eleven thousand, six hundred one".