72140622511 has 8 divisors (see below), whose sum is σ = 75944086400. Its totient is φ = 68337817560.

The previous prime is 72140622481. The next prime is 72140622553. The reversal of 72140622511 is 11522604127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72140622511 - 2⁷ = 72140622383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140622581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68476 + ... + 385966.

It is an arithmetic number, because the mean of its divisors is an integer number (9493010800).

Almost surely, 2^72140622511 is an apocalyptic number.

72140622511 is a deficient number, since it is larger than the sum of its proper divisors (3803463889).

72140622511 is a wasteful number, since it uses less digits than its factorization.

72140622511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329469.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 72140622511 in words is "seventy-two billion, one hundred forty million, six hundred twenty-two thousand, five hundred eleven".