1252162655401 has 4 divisors (see below), whose sum is σ = 1431043034752. Its totient is φ = 1073282276052.

The previous prime is 1252162655333. The next prime is 1252162655417. The reversal of 1252162655401 is 1045562612521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1252162655401 - 2⁷ = 1252162655273 is a prime.

It is a super-2 number, since 2×1252162655401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252162655201) 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, 89440189665 + ... + 89440189678.

It is an arithmetic number, because the mean of its divisors is an integer number (357760758688).

Almost surely, 2^{1252162655401} is an apocalyptic number.

It is an amenable number.

1252162655401 is a deficient number, since it is larger than the sum of its proper divisors (178880379351).

1252162655401 is an equidigital number, since it uses as much as digits as its factorization.

1252162655401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178880379350.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 1252162655401 in words is "one trillion, two hundred fifty-two billion, one hundred sixty-two million, six hundred fifty-five thousand, four hundred one".