5115501311 has 8 divisors (see below), whose sum is σ = 5142617424. Its totient is φ = 5088448960.

The previous prime is 5115501289. The next prime is 5115501373. The reversal of 5115501311 is 1131055115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5115501311 - 2⁶ = 5115501247 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 (5115501511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149441 + ... + 180453.

It is an arithmetic number, because the mean of its divisors is an integer number (642827178).

Almost surely, 2^5115501311 is an apocalyptic number.

5115501311 is a deficient number, since it is larger than the sum of its proper divisors (27116113).

5115501311 is a wasteful number, since it uses less digits than its factorization.

5115501311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31881.

The product of its (nonzero) digits is 375, while the sum is 23.

The square root of 5115501311 is about 71522.7328267034. The cubic root of 5115501311 is about 1723.0428055832.

Adding to 5115501311 its reverse (1131055115), we get a palindrome (6246556426).

The spelling of 5115501311 in words is "five billion, one hundred fifteen million, five hundred one thousand, three hundred eleven".