25670212274465 has 48 divisors (see below), whose sum is σ = 34507499040000. Its totient is φ = 18313166699520.

The previous prime is 25670212274453. The next prime is 25670212274479. The reversal of 25670212274465 is 56447221207652.

It is not a de Polignac number, because 25670212274465 - 2²² = 25670208080161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15750161 + ... + 17303409.

It is an arithmetic number, because the mean of its divisors is an integer number (718906230000).

Almost surely, 2^{25670212274465} is an apocalyptic number.

It is an amenable number.

25670212274465 is a deficient number, since it is larger than the sum of its proper divisors (8837286765535).

25670212274465 is a wasteful number, since it uses less digits than its factorization.

25670212274465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553798 (or 1553787 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 25670212274465 in words is "twenty-five trillion, six hundred seventy billion, two hundred twelve million, two hundred seventy-four thousand, four hundred sixty-five".