72362556011 has 4 divisors (see below), whose sum is σ = 72529675512. Its totient is φ = 72195436512.

The previous prime is 72362555989. The next prime is 72362556029. The reversal of 72362556011 is 11065526327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72362556011 - 2³⁴ = 55182686827 is a prime.

It is a super-2 number, since 2×72362556011² (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 (72362556061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83559101 + ... + 83559966.

It is an arithmetic number, because the mean of its divisors is an integer number (18132418878).

Almost surely, 2^72362556011 is an apocalyptic number.

72362556011 is a deficient number, since it is larger than the sum of its proper divisors (167119501).

72362556011 is a wasteful number, since it uses less digits than its factorization.

72362556011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167119500.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 72362556011 in words is "seventy-two billion, three hundred sixty-two million, five hundred fifty-six thousand, eleven".