1251932314163 has 4 divisors (see below), whose sum is σ = 1251957666960. Its totient is φ = 1251906961368.

The previous prime is 1251932314111. The next prime is 1251932314187. The reversal of 1251932314163 is 3614132391521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1251932314163 - 2¹⁶ = 1251932248627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1251932314163.

It is not an unprimeable number, because it can be changed into a prime (1251932316163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12602183 + ... + 12701136.

It is an arithmetic number, because the mean of its divisors is an integer number (312989416740).

Almost surely, 2^{1251932314163} is an apocalyptic number.

1251932314163 is a deficient number, since it is larger than the sum of its proper divisors (25352797).

1251932314163 is an equidigital number, since it uses as much as digits as its factorization.

1251932314163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25352796.

The product of its digits is 116640, while the sum is 41.

The spelling of 1251932314163 in words is "one trillion, two hundred fifty-one billion, nine hundred thirty-two million, three hundred fourteen thousand, one hundred sixty-three".