72011650156 has 6 divisors (see below), whose sum is σ = 126020387780. Its totient is φ = 36005825076.

The previous prime is 72011650147. The next prime is 72011650187. The reversal of 72011650156 is 65105611027.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9001456266 + ... + 9001456273.

Almost surely, 2^72011650156 is an apocalyptic number.

It is an amenable number.

72011650156 is a deficient number, since it is larger than the sum of its proper divisors (54008737624).

72011650156 is a wasteful number, since it uses less digits than its factorization.

72011650156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002912543 (or 18002912541 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 72011650156 in words is "seventy-two billion, eleven million, six hundred fifty thousand, one hundred fifty-six".