11722789556234 has 32 divisors (see below), whose sum is σ = 18481570578432. Its totient is φ = 5569688718000.

The previous prime is 11722789556221. The next prime is 11722789556239. The reversal of 11722789556234 is 43265598722711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (11722789556239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3245162 + ... + 5828949.

It is an arithmetic number, because the mean of its divisors is an integer number (577549080576).

Almost surely, 2^{11722789556234} is an apocalyptic number.

11722789556234 is a deficient number, since it is larger than the sum of its proper divisors (6758781022198).

11722789556234 is a wasteful number, since it uses less digits than its factorization.

11722789556234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074522.

The product of its digits is 50803200, while the sum is 62.

The spelling of 11722789556234 in words is "eleven trillion, seven hundred twenty-two billion, seven hundred eighty-nine million, five hundred fifty-six thousand, two hundred thirty-four".