6455556541331 has 4 divisors (see below), whose sum is σ = 6459828916464. Its totient is φ = 6451284166200.

The previous prime is 6455556541321. The next prime is 6455556541337. The reversal of 6455556541331 is 1331456555546.

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 6455556541331 - 2¹⁸ = 6455556279187 is a prime.

It is a super-2 number, since 2×6455556541331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455556541337) 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, 2136185300 + ... + 2136188321.

It is an arithmetic number, because the mean of its divisors is an integer number (1614957229116).

Almost surely, 2^{6455556541331} is an apocalyptic number.

6455556541331 is a deficient number, since it is larger than the sum of its proper divisors (4272375133).

6455556541331 is a wasteful number, since it uses less digits than its factorization.

6455556541331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272375132.

The product of its digits is 16200000, while the sum is 53.

The spelling of 6455556541331 in words is "six trillion, four hundred fifty-five billion, five hundred fifty-six million, five hundred forty-one thousand, three hundred thirty-one".