11976854401 has 2 divisors, whose sum is σ = 11976854402. Its totient is φ = 11976854400.

The previous prime is 11976854387. The next prime is 11976854413. The reversal of 11976854401 is 10445867911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11908047376 + 68807025 = 109124^2 + 8295^2 .

It is a cyclic number.

It is not a de Polignac number, because 11976854401 - 2⁵ = 11976854369 is a prime.

It is not a weakly prime, because it can be changed into another prime (11976854431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988427200 + 5988427201.

It is an arithmetic number, because the mean of its divisors is an integer number (5988427201).

Almost surely, 2^11976854401 is an apocalyptic number.

It is an amenable number.

11976854401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976854401 is an equidigital number, since it uses as much as digits as its factorization.

11976854401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 11976854401 in words is "eleven billion, nine hundred seventy-six million, eight hundred fifty-four thousand, four hundred one".