581367032551 has 8 divisors (see below), whose sum is σ = 590923852064. Its totient is φ = 571811058720.

The previous prime is 581367032539. The next prime is 581367032591. The reversal of 581367032551 is 155230763185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 581367032551 - 2²⁷ = 581232814823 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 (581367032591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258030 + ... + 1656916.

It is an arithmetic number, because the mean of its divisors is an integer number (73865481508).

Almost surely, 2^581367032551 is an apocalyptic number.

581367032551 is a deficient number, since it is larger than the sum of its proper divisors (9556819513).

581367032551 is a wasteful number, since it uses less digits than its factorization.

581367032551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422841.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 581367032551 in words is "five hundred eighty-one billion, three hundred sixty-seven million, thirty-two thousand, five hundred fifty-one".