5125751251265 has 32 divisors (see below), whose sum is σ = 6495619253760. Its totient is φ = 3875258889216.

The previous prime is 5125751251261. The next prime is 5125751251277. The reversal of 5125751251265 is 5621521575215.

It is a cyclic number.

It is not a de Polignac number, because 5125751251265 - 2² = 5125751251261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5125751251261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4629191 + ... + 5628579.

It is an arithmetic number, because the mean of its divisors is an integer number (202988101680).

Almost surely, 2^{5125751251265} is an apocalyptic number.

It is an amenable number.

5125751251265 is a deficient number, since it is larger than the sum of its proper divisors (1369868002495).

5125751251265 is a wasteful number, since it uses less digits than its factorization.

5125751251265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999953.

The product of its digits is 1050000, while the sum is 47.

The spelling of 5125751251265 in words is "five trillion, one hundred twenty-five billion, seven hundred fifty-one million, two hundred fifty-one thousand, two hundred sixty-five".