11977181722253 has 16 divisors (see below), whose sum is σ = 13836561471360. Its totient is φ = 10246407244800.

The previous prime is 11977181722249. The next prime is 11977181722271. The reversal of 11977181722253 is 35222718177911.

It is a cyclic number.

It is not a de Polignac number, because 11977181722253 - 2² = 11977181722249 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 (11977181722273) 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, 3200108 + ... + 5847653.

It is an arithmetic number, because the mean of its divisors is an integer number (864785091960).

Almost surely, 2^{11977181722253} is an apocalyptic number.

It is an amenable number.

11977181722253 is a deficient number, since it is larger than the sum of its proper divisors (1859379749107).

11977181722253 is a wasteful number, since it uses less digits than its factorization.

11977181722253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054868.

The product of its digits is 2963520, while the sum is 56.

The spelling of 11977181722253 in words is "eleven trillion, nine hundred seventy-seven billion, one hundred eighty-one million, seven hundred twenty-two thousand, two hundred fifty-three".