5115242155 has 4 divisors (see below), whose sum is σ = 6138290592. Its totient is φ = 4092193720.

The previous prime is 5115242147. The next prime is 5115242173. The reversal of 5115242155 is 5512425115.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5115242155 - 2³ = 5115242147 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511524211 + ... + 511524220.

It is an arithmetic number, because the mean of its divisors is an integer number (1534572648).

Almost surely, 2^5115242155 is an apocalyptic number.

5115242155 is a deficient number, since it is larger than the sum of its proper divisors (1023048437).

5115242155 is a wasteful number, since it uses less digits than its factorization.

5115242155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023048436.

The product of its digits is 10000, while the sum is 31.

The square root of 5115242155 is about 71520.9211000530. The cubic root of 5115242155 is about 1723.0137081142.

The spelling of 5115242155 in words is "five billion, one hundred fifteen million, two hundred forty-two thousand, one hundred fifty-five".