6631252545539 has 4 divisors (see below), whose sum is σ = 6631262672760. Its totient is φ = 6631242418320.

The previous prime is 6631252545529. The next prime is 6631252545551. The reversal of 6631252545539 is 9355452521366.

6631252545539 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6631252545539 - 2³² = 6626957578243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6631252545529) 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, 4008074 + ... + 5415455.

It is an arithmetic number, because the mean of its divisors is an integer number (1657815668190).

Almost surely, 2^{6631252545539} is an apocalyptic number.

6631252545539 is a deficient number, since it is larger than the sum of its proper divisors (10127221).

6631252545539 is an equidigital number, since it uses as much as digits as its factorization.

6631252545539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127220.

The product of its digits is 29160000, while the sum is 56.

The spelling of 6631252545539 in words is "six trillion, six hundred thirty-one billion, two hundred fifty-two million, five hundred forty-five thousand, five hundred thirty-nine".