5541631456645 has 32 divisors (see below), whose sum is σ = 7112425791744. Its totient is φ = 4134742233600.

The previous prime is 5541631456597. The next prime is 5541631456693. The reversal of 5541631456645 is 5466541361455.

It is an interprime number because it is at equal distance from previous prime (5541631456597) and next prime (5541631456693).

It is not a de Polignac number, because 5541631456645 - 2³⁹ = 4991875642757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7871274 + ... + 8546356.

It is an arithmetic number, because the mean of its divisors is an integer number (222263305992).

Almost surely, 2^{5541631456645} is an apocalyptic number.

It is an amenable number.

5541631456645 is a deficient number, since it is larger than the sum of its proper divisors (1570794335099).

5541631456645 is a wasteful number, since it uses less digits than its factorization.

5541631456645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676893.

The product of its digits is 25920000, while the sum is 55.

The spelling of 5541631456645 in words is "five trillion, five hundred forty-one billion, six hundred thirty-one million, four hundred fifty-six thousand, six hundred forty-five".