11722640610 has 16 divisors (see below), whose sum is σ = 28134337536. Its totient is φ = 3126037488.

The previous prime is 11722640603. The next prime is 11722640801. The reversal of 11722640610 is 1604622711.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 390754687 = 11722640610 / (1 + 1 + 7 + 2 + 2 + 6 + 4 + 0 + 6 + 1 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195377314 + ... + 195377373.

It is an arithmetic number, because the mean of its divisors is an integer number (1758396096).

Almost surely, 2^11722640610 is an apocalyptic number.

11722640610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11722640610 is an abundant number, since it is smaller than the sum of its proper divisors (16411696926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11722640610 is a wasteful number, since it uses less digits than its factorization.

11722640610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390754697.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 11722640610 in words is "eleven billion, seven hundred twenty-two million, six hundred forty thousand, six hundred ten".