5161157100 has 108 divisors (see below), whose sum is σ = 17648063160. Its totient is φ = 1251187200.

The previous prime is 5161157077. The next prime is 5161157161. The reversal of 5161157100 is 17511615.

It is a happy number.

It is a super-2 number, since 2×5161157100² = 53275085221760820000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 250765 + ... + 270564.

Almost surely, 2^5161157100 is an apocalyptic number.

5161157100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5161157100 is an abundant number, since it is smaller than the sum of its proper divisors (12486906060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161157100 is a wasteful number, since it uses less digits than its factorization.

5161157100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521360 (or 521350 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 5161157100 is about 71841.1936148057. The cubic root of 5161157100 is about 1728.1536763725.

Adding to 5161157100 its reverse (17511615), we get a palindrome (5178668715).

It can be divided in two parts, 5161 and 157100, that added together give a palindrome (162261).

The spelling of 5161157100 in words is "five billion, one hundred sixty-one million, one hundred fifty-seven thousand, one hundred".