11959457376129 has 16 divisors (see below), whose sum is σ = 15992442484800. Its totient is φ = 7949740248576.

The previous prime is 11959457376109. The next prime is 11959457376131. The reversal of 11959457376129 is 92167375495911.

It is not a de Polignac number, because 11959457376129 - 2⁷ = 11959457376001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11959457376109) 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, 323202 + ... + 4901364.

It is an arithmetic number, because the mean of its divisors is an integer number (999527655300).

Almost surely, 2^{11959457376129} is an apocalyptic number.

It is an amenable number.

11959457376129 is a deficient number, since it is larger than the sum of its proper divisors (4032985108671).

11959457376129 is a wasteful number, since it uses less digits than its factorization.

11959457376129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580704.

The product of its digits is 128595600, while the sum is 69.

The spelling of 11959457376129 in words is "eleven trillion, nine hundred fifty-nine billion, four hundred fifty-seven million, three hundred seventy-six thousand, one hundred twenty-nine".