25366012953 has 8 divisors (see below), whose sum is σ = 35810841888. Its totient is φ = 15915929664.

The previous prime is 25366012927. The next prime is 25366012979. The reversal of 25366012953 is 35921066352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25366012927) and next prime (25366012979).

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

It is not a de Polignac number, because 25366012953 - 2²⁰ = 25364964377 is a prime.

It is a super-2 number, since 2×25366012953² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25366012913) 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, 248686351 + ... + 248686452.

It is an arithmetic number, because the mean of its divisors is an integer number (4476355236).

Almost surely, 2^25366012953 is an apocalyptic number.

It is an amenable number.

25366012953 is a deficient number, since it is larger than the sum of its proper divisors (10444828935).

25366012953 is a wasteful number, since it uses less digits than its factorization.

25366012953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497372823.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 25366012953 in words is "twenty-five billion, three hundred sixty-six million, twelve thousand, nine hundred fifty-three".