5129191155 has 32 divisors (see below), whose sum is σ = 8958014208. Its totient is φ = 2485424000.

The previous prime is 5129191147. The next prime is 5129191163. The reversal of 5129191155 is 5511919215.

It is an interprime number because it is at equal distance from previous prime (5129191147) and next prime (5129191163).

It is not a de Polignac number, because 5129191155 - 2³ = 5129191147 is a prime.

It is a super-3 number, since 3×5129191155³ (a number of 30 digits) contains 333 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, 306505 + ... + 322805.

It is an arithmetic number, because the mean of its divisors is an integer number (279937944).

Almost surely, 2^5129191155 is an apocalyptic number.

5129191155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5129191155 is a deficient number, since it is larger than the sum of its proper divisors (3828823053).

5129191155 is a wasteful number, since it uses less digits than its factorization.

5129191155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227.

The product of its digits is 20250, while the sum is 39.

The square root of 5129191155 is about 71618.3716304692. The cubic root of 5129191155 is about 1724.5784762943.

The spelling of 5129191155 in words is "five billion, one hundred twenty-nine million, one hundred ninety-one thousand, one hundred fifty-five".