45871478915 has 32 divisors (see below), whose sum is σ = 57310848000. Its totient is φ = 35204133888.

The previous prime is 45871478903. The next prime is 45871478927. The reversal of 45871478915 is 51987417854.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45871478903) and next prime (45871478927).

It is a cyclic number.

It is not a de Polignac number, because 45871478915 - 2⁴ = 45871478899 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20486366 + ... + 20488604.

It is an arithmetic number, because the mean of its divisors is an integer number (1790964000).

Almost surely, 2^45871478915 is an apocalyptic number.

45871478915 is a deficient number, since it is larger than the sum of its proper divisors (11439369085).

45871478915 is a wasteful number, since it uses less digits than its factorization.

45871478915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its digits is 11289600, while the sum is 59.

The spelling of 45871478915 in words is "forty-five billion, eight hundred seventy-one million, four hundred seventy-eight thousand, nine hundred fifteen".