150261561603 has 12 divisors (see below), whose sum is σ = 222092024440. Its totient is φ = 97844737536.

The previous prime is 150261561599. The next prime is 150261561643. The reversal of 150261561603 is 306165162051.

150261561603 is a `hidden beast` number, since 1 + 5 + 0 + 26 + 15 + 616 + 0 + 3 = 666.

It is not a de Polignac number, because 150261561603 - 2² = 150261561599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150261561643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194135998 + ... + 194136771.

Almost surely, 2^150261561603 is an apocalyptic number.

150261561603 is a deficient number, since it is larger than the sum of its proper divisors (71830462837).

150261561603 is a wasteful number, since it uses less digits than its factorization.

150261561603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388272818 (or 388272815 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 150261561603 in words is "one hundred fifty billion, two hundred sixty-one million, five hundred sixty-one thousand, six hundred three".