1265625413464 has 8 divisors (see below), whose sum is σ = 2373047650260. Its totient is φ = 632812706728.

The previous prime is 1265625413453. The next prime is 1265625413467. The reversal of 1265625413464 is 4643145265621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265625413467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79101588334 + ... + 79101588349.

Almost surely, 2^{1265625413464} is an apocalyptic number.

It is an amenable number.

1265625413464 is a deficient number, since it is larger than the sum of its proper divisors (1107422236796).

1265625413464 is a wasteful number, since it uses less digits than its factorization.

1265625413464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158203176689 (or 158203176685 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 1265625413464 in words is "one trillion, two hundred sixty-five billion, six hundred twenty-five million, four hundred thirteen thousand, four hundred sixty-four".