25672647553465 has 8 divisors (see below), whose sum is σ = 33607829524608. Its totient is φ = 18671016402480.

The previous prime is 25672647553411. The next prime is 25672647553499. The reversal of 25672647553465 is 56435574627652.

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

It is not a de Polignac number, because 25672647553465 - 2³⁵ = 25638287815097 is a prime.

It is a super-3 number, since 3×25672647553465³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25672647553465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233387704977 + ... + 233387705086.

It is an arithmetic number, because the mean of its divisors is an integer number (4200978690576).

Almost surely, 2^{25672647553465} is an apocalyptic number.

It is an amenable number.

25672647553465 is a deficient number, since it is larger than the sum of its proper divisors (7935181971143).

25672647553465 is a wasteful number, since it uses less digits than its factorization.

25672647553465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466775410079.

The product of its digits is 1270080000, while the sum is 67.

The spelling of 25672647553465 in words is "twenty-five trillion, six hundred seventy-two billion, six hundred forty-seven million, five hundred fifty-three thousand, four hundred sixty-five".