11754156167449 has 2 divisors, whose sum is σ = 11754156167450. Its totient is φ = 11754156167448.

The previous prime is 11754156167401. The next prime is 11754156167483. The reversal of 11754156167449 is 94476165145711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10902675686400 + 851480481049 = 3301920^2 + 922757^2 .

It is a cyclic number.

It is not a de Polignac number, because 11754156167449 - 2⁷ = 11754156167321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11754156167489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5877078083724 + 5877078083725.

It is an arithmetic number, because the mean of its divisors is an integer number (5877078083725).

Almost surely, 2^{11754156167449} is an apocalyptic number.

It is an amenable number.

11754156167449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11754156167449 is an equidigital number, since it uses as much as digits as its factorization.

11754156167449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25401600, while the sum is 61.

The spelling of 11754156167449 in words is "eleven trillion, seven hundred fifty-four billion, one hundred fifty-six million, one hundred sixty-seven thousand, four hundred forty-nine".