11954895295949 has 2 divisors, whose sum is σ = 11954895295950. Its totient is φ = 11954895295948.

The previous prime is 11954895295943. The next prime is 11954895296011. The reversal of 11954895295949 is 94959259845911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11395735323049 + 559159972900 = 3375757^2 + 747770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11954895295949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11954895295943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977447647974 + 5977447647975.

It is an arithmetic number, because the mean of its divisors is an integer number (5977447647975).

Almost surely, 2^{11954895295949} is an apocalyptic number.

It is an amenable number.

11954895295949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954895295949 is an equidigital number, since it uses as much as digits as its factorization.

11954895295949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568000, while the sum is 80.

The spelling of 11954895295949 in words is "eleven trillion, nine hundred fifty-four billion, eight hundred ninety-five million, two hundred ninety-five thousand, nine hundred forty-nine".