64056558155 has 8 divisors (see below), whose sum is σ = 76872219072. Its totient is φ = 51242347008.

The previous prime is 64056558101. The next prime is 64056558169. The reversal of 64056558155 is 55185565046.

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 64056558155 - 2¹² = 64056554059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262742 + ... + 444011.

It is an arithmetic number, because the mean of its divisors is an integer number (9609027384).

Almost surely, 2^64056558155 is an apocalyptic number.

64056558155 is a deficient number, since it is larger than the sum of its proper divisors (12815660917).

64056558155 is a wasteful number, since it uses less digits than its factorization.

64056558155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724885.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 64056558155 in words is "sixty-four billion, fifty-six million, five hundred fifty-eight thousand, one hundred fifty-five".