47913415515 has 32 divisors (see below), whose sum is σ = 97347893760. Its totient is φ = 21903275232.

The previous prime is 47913415477. The next prime is 47913415591. The reversal of 47913415515 is 51551431974.

47913415515 is a `hidden beast` number, since 4 + 7 + 91 + 3 + 4 + 1 + 551 + 5 = 666.

It is not a de Polignac number, because 47913415515 - 2⁹ = 47913415003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25350069 + ... + 25351958.

It is an arithmetic number, because the mean of its divisors is an integer number (3042121680).

Almost surely, 2^47913415515 is an apocalyptic number.

47913415515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47913415515 is an abundant number, since it is smaller than the sum of its proper divisors (49434478245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47913415515 is a wasteful number, since it uses less digits than its factorization.

47913415515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50702048 (or 50702042 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The spelling of 47913415515 in words is "forty-seven billion, nine hundred thirteen million, four hundred fifteen thousand, five hundred fifteen".