5615385517 has 4 divisors (see below), whose sum is σ = 6417583456. Its totient is φ = 4813187580.

The previous prime is 5615385509. The next prime is 5615385613. The reversal of 5615385517 is 7155835165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5615385517 - 2³ = 5615385509 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 (5615385917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401098959 + ... + 401098972.

It is an arithmetic number, because the mean of its divisors is an integer number (1604395864).

Almost surely, 2^5615385517 is an apocalyptic number.

It is an amenable number.

5615385517 is a deficient number, since it is larger than the sum of its proper divisors (802197939).

5615385517 is an equidigital number, since it uses as much as digits as its factorization.

5615385517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802197938.

The product of its digits is 630000, while the sum is 46.

The square root of 5615385517 is about 74935.8760341133. The cubic root of 5615385517 is about 1777.4328094964.

The spelling of 5615385517 in words is "five billion, six hundred fifteen million, three hundred eighty-five thousand, five hundred seventeen".