25116664006121 has 8 divisors (see below), whose sum is σ = 25120338507264. Its totient is φ = 25112989739520.

The previous prime is 25116664006039. The next prime is 25116664006123. The reversal of 25116664006121 is 12160046661152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25116664006121 - 2³⁸ = 24841786099177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25116664006123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360003881 + ... + 360073641.

It is an arithmetic number, because the mean of its divisors is an integer number (3140042313408).

Almost surely, 2^{25116664006121} is an apocalyptic number.

It is an amenable number.

25116664006121 is a deficient number, since it is larger than the sum of its proper divisors (3674501143).

25116664006121 is an equidigital number, since it uses as much as digits as its factorization.

25116664006121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117271.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 25116664006121 in words is "twenty-five trillion, one hundred sixteen billion, six hundred sixty-four million, six thousand, one hundred twenty-one".