5161601115 has 48 divisors (see below), whose sum is σ = 10334259936. Its totient is φ = 2355379200.

The previous prime is 5161601113. The next prime is 5161601167. The reversal of 5161601115 is 5111061615.

5161601115 is a `hidden beast` number, since 51 + 6 + 1 + 601 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 5161601115 - 2¹ = 5161601113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5161601113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298276 + ... + 315105.

It is an arithmetic number, because the mean of its divisors is an integer number (215297082).

Almost surely, 2^5161601115 is an apocalyptic number.

5161601115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5161601115 is an abundant number, since it is smaller than the sum of its proper divisors (5172658821).

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

5161601115 is a wasteful number, since it uses less digits than its factorization.

5161601115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613420 (or 613417 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 5161601115 is about 71844.2838018447. The cubic root of 5161601115 is about 1728.2032327115.

The spelling of 5161601115 in words is "five billion, one hundred sixty-one million, six hundred one thousand, one hundred fifteen".