1252332303551 has 4 divisors (see below), whose sum is σ = 1431236918352. Its totient is φ = 1073427688752.

The previous prime is 1252332303539. The next prime is 1252332303559. The reversal of 1252332303551 is 1553032332521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252332303551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252332303559) 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, 89452307390 + ... + 89452307403.

It is an arithmetic number, because the mean of its divisors is an integer number (357809229588).

Almost surely, 2^{1252332303551} is an apocalyptic number.

1252332303551 is a deficient number, since it is larger than the sum of its proper divisors (178904614801).

1252332303551 is an equidigital number, since it uses as much as digits as its factorization.

1252332303551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178904614800.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 1252332303551 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-two million, three hundred three thousand, five hundred fifty-one".