51110135245500 has 96 divisors (see below), whose sum is σ = 148834327369728. Its totient is φ = 13629221640000.

The previous prime is 51110135245493. The next prime is 51110135245531. The reversal of 51110135245500 is 554253101115.

It is a happy number.

51110135245500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51110135245500² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267430977 + ... + 267622023.

It is an arithmetic number, because the mean of its divisors is an integer number (1550357576768).

Almost surely, 2^{51110135245500} is an apocalyptic number.

51110135245500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51110135245500 is an abundant number, since it is smaller than the sum of its proper divisors (97724192124228).

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

51110135245500 is a wasteful number, since it uses less digits than its factorization.

51110135245500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369420 (or 369408 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 51110135245500 its reverse (554253101115), we get a palindrome (51664388346615).

The spelling of 51110135245500 in words is "fifty-one trillion, one hundred ten billion, one hundred thirty-five million, two hundred forty-five thousand, five hundred".