51319241100 has 54 divisors (see below), whose sum is σ = 160857312980. Its totient is φ = 13685130720.

The previous prime is 51319241033. The next prime is 51319241101. The reversal of 51319241100 is 114291315.

It is a happy number.

51319241100 is a `hidden beast` number, since 5 + 1 + 319 + 241 + 100 = 666.

It is a super-4 number, since 4×51319241100⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (51319241101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28509790 + ... + 28511589.

Almost surely, 2^51319241100 is an apocalyptic number.

51319241100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51319241100 is an abundant number, since it is smaller than the sum of its proper divisors (109538071880).

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

51319241100 is a wasteful number, since it uses less digits than its factorization.

51319241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57021399 (or 57021389 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 51319241100 in words is "fifty-one billion, three hundred nineteen million, two hundred forty-one thousand, one hundred".