1251375013875 has 32 divisors (see below), whose sum is σ = 2379757745664. Its totient is φ = 572057148000.

The previous prime is 1251375013753. The next prime is 1251375013909. The reversal of 1251375013875 is 5783105731521.

It is a happy number.

It is not a de Polignac number, because 1251375013875 - 2¹⁴ = 1251374997491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238354521 + ... + 238359770.

It is an arithmetic number, because the mean of its divisors is an integer number (74367429552).

Almost surely, 2^{1251375013875} is an apocalyptic number.

1251375013875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1251375013875 is a deficient number, since it is larger than the sum of its proper divisors (1128382731789).

1251375013875 is an equidigital number, since it uses as much as digits as its factorization.

1251375013875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476714316 (or 476714306 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 1251375013875 in words is "one trillion, two hundred fifty-one billion, three hundred seventy-five million, thirteen thousand, eight hundred seventy-five".