1256250625132 has 24 divisors (see below), whose sum is σ = 2332852132464. Its totient is φ = 589883146752.

The previous prime is 1256250625127. The next prime is 1256250625139. The reversal of 1256250625132 is 2315260526521.

It is not an unprimeable number, because it can be changed into a prime (1256250625139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20181478 + ... + 20243629.

It is an arithmetic number, because the mean of its divisors is an integer number (97202172186).

Almost surely, 2^{1256250625132} is an apocalyptic number.

It is an amenable number.

1256250625132 is a deficient number, since it is larger than the sum of its proper divisors (1076601507332).

1256250625132 is a wasteful number, since it uses less digits than its factorization.

1256250625132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425585 (or 40425583 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1256250625132 in words is "one trillion, two hundred fifty-six billion, two hundred fifty million, six hundred twenty-five thousand, one hundred thirty-two".