5111155556265 has 32 divisors (see below), whose sum is σ = 8943761575296. Its totient is φ = 2471893839360.

The previous prime is 5111155556239. The next prime is 5111155556291. The reversal of 5111155556265 is 5626555511115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5111155556239) and next prime (5111155556291).

It is not a de Polignac number, because 5111155556265 - 2⁵ = 5111155556233 is a prime.

It is a super-2 number, since 2×5111155556265² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38947972 + ... + 39078981.

It is an arithmetic number, because the mean of its divisors is an integer number (279492549228).

Almost surely, 2^{5111155556265} is an apocalyptic number.

5111155556265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5111155556265 is a deficient number, since it is larger than the sum of its proper divisors (3832606019031).

5111155556265 is a wasteful number, since it uses less digits than its factorization.

5111155556265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78027369.

The product of its digits is 1125000, while the sum is 48.

The spelling of 5111155556265 in words is "five trillion, one hundred eleven billion, one hundred fifty-five million, five hundred fifty-six thousand, two hundred sixty-five".