64151563115 has 4 divisors (see below), whose sum is σ = 76981875744. Its totient is φ = 51321250488.

The previous prime is 64151563097. The next prime is 64151563127. The reversal of 64151563115 is 51136515146.

It is a happy number.

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 64151563115 - 2¹² = 64151559019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415156307 + ... + 6415156316.

It is an arithmetic number, because the mean of its divisors is an integer number (19245468936).

Almost surely, 2^64151563115 is an apocalyptic number.

64151563115 is a deficient number, since it is larger than the sum of its proper divisors (12830312629).

64151563115 is a wasteful number, since it uses less digits than its factorization.

64151563115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830312628.

The product of its digits is 54000, while the sum is 38.

The spelling of 64151563115 in words is "sixty-four billion, one hundred fifty-one million, five hundred sixty-three thousand, one hundred fifteen".