25342016005161 has 12 divisors (see below), whose sum is σ = 38758377419892. Its totient is φ = 15900872787456.

The previous prime is 25342016005133. The next prime is 25342016005169. The reversal of 25342016005161 is 16150061024352.

25342016005161 is a `hidden beast` number, since 2 + 5 + 3 + 42 + 0 + 1 + 600 + 5 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7974326493225 + 17367689511936 = 2823885^2 + 4167456^2 .

It is not a de Polignac number, because 25342016005161 - 2¹⁷ = 25342015874089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25342016005169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82817045616 + ... + 82817045921.

It is an arithmetic number, because the mean of its divisors is an integer number (3229864784991).

Almost surely, 2^{25342016005161} is an apocalyptic number.

It is an amenable number.

25342016005161 is a deficient number, since it is larger than the sum of its proper divisors (13416361414731).

25342016005161 is a wasteful number, since it uses less digits than its factorization.

25342016005161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165634091560 (or 165634091557 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 25342016005161 in words is "twenty-five trillion, three hundred forty-two billion, sixteen million, five thousand, one hundred sixty-one".