5155311113 has 4 divisors (see below), whose sum is σ = 5252581188. Its totient is φ = 5058041040.

The previous prime is 5155311107. The next prime is 5155311131. The reversal of 5155311113 is 3111135515.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4653013369 + 502297744 = 68213^2 + 22412^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155311113 - 2¹⁰ = 5155310089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155311163) 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, 48634958 + ... + 48635063.

It is an arithmetic number, because the mean of its divisors is an integer number (1313145297).

Almost surely, 2^5155311113 is an apocalyptic number.

5155311113 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5155311113 is a deficient number, since it is larger than the sum of its proper divisors (97270075).

5155311113 is an equidigital number, since it uses as much as digits as its factorization.

5155311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97270074.

The product of its digits is 1125, while the sum is 26.

The square root of 5155311113 is about 71800.4952141697. The cubic root of 5155311113 is about 1727.5009428503.

Adding to 5155311113 its reverse (3111135515), we get a palindrome (8266446628).

The spelling of 5155311113 in words is "five billion, one hundred fifty-five million, three hundred eleven thousand, one hundred thirteen".