5651615115 has 24 divisors (see below), whose sum is σ = 10112139648. Its totient is φ = 2916961920.

The previous prime is 5651615107. The next prime is 5651615117. The reversal of 5651615115 is 5115161565.

It is a happy number.

It is not a de Polignac number, because 5651615115 - 2³ = 5651615107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5651615115.

It is not an unprimeable number, because it can be changed into a prime (5651615117) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2024274 + ... + 2027063.

It is an arithmetic number, because the mean of its divisors is an integer number (421339152).

Almost surely, 2^5651615115 is an apocalyptic number.

5651615115 is a deficient number, since it is larger than the sum of its proper divisors (4460524533).

5651615115 is a wasteful number, since it uses less digits than its factorization.

5651615115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051379 (or 4051376 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 5651615115 is about 75177.2247093493. The cubic root of 5651615115 is about 1781.2471917223.

It can be divided in two parts, 56516 and 15115, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 5651615115 in words is "five billion, six hundred fifty-one million, six hundred fifteen thousand, one hundred fifteen".