25355605052452 has 24 divisors (see below), whose sum is σ = 47016813844224. Its totient is φ = 11923320753792.

The previous prime is 25355605052431. The next prime is 25355605052483. The reversal of 25355605052452 is 25425050655352.

It is a junction number, because it is equal to n+sod(n) for n = 25355605052396 and 25355605052405.

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, 136292028 + ... + 136477939.

It is an arithmetic number, because the mean of its divisors is an integer number (1959033910176).

Almost surely, 2^{25355605052452} is an apocalyptic number.

It is an amenable number.

25355605052452 is a deficient number, since it is larger than the sum of its proper divisors (21661208791772).

25355605052452 is a wasteful number, since it uses less digits than its factorization.

25355605052452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272771355 (or 272771353 counting only the distinct ones).

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 25355605052452 in words is "twenty-five trillion, three hundred fifty-five billion, six hundred five million, fifty-two thousand, four hundred fifty-two".