1252452553331 has 16 divisors (see below), whose sum is σ = 1473255229440. Its totient is φ = 1042565640480.

The previous prime is 1252452553309. The next prime is 1252452553357. The reversal of 1252452553331 is 1333552542521.

It is not a de Polignac number, because 1252452553331 - 2²² = 1252448359027 is a prime.

It is a super-2 number, since 2×1252452553331² (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 (1252452553031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18530471 + ... + 18597936.

It is an arithmetic number, because the mean of its divisors is an integer number (92078451840).

Almost surely, 2^{1252452553331} is an apocalyptic number.

1252452553331 is a deficient number, since it is larger than the sum of its proper divisors (220802676109).

1252452553331 is an equidigital number, since it uses as much as digits as its factorization.

1252452553331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37128554.

The product of its digits is 540000, while the sum is 41.

The spelling of 1252452553331 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, five hundred fifty-three thousand, three hundred thirty-one".