1252464053656 has 16 divisors (see below), whose sum is σ = 2348461936800. Its totient is φ = 626207537184.

The previous prime is 1252464053651. The next prime is 1252464053681. The reversal of 1252464053656 is 6563504642521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252464053651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842935 + ... + 3253798.

It is an arithmetic number, because the mean of its divisors is an integer number (146778871050).

Almost surely, 2^{1252464053656} is an apocalyptic number.

It is an amenable number.

1252464053656 is a deficient number, since it is larger than the sum of its proper divisors (1095997883144).

1252464053656 is a wasteful number, since it uses less digits than its factorization.

1252464053656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122418 (or 6122414 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 1252464053656 in words is "one trillion, two hundred fifty-two billion, four hundred sixty-four million, fifty-three thousand, six hundred fifty-six".