51102231502 has 8 divisors (see below), whose sum is σ = 87603825456. Its totient is φ = 21900956352.

The previous prime is 51102231497. The next prime is 51102231517. The reversal of 51102231502 is 20513220115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51102231502² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 1825079683 + ... + 1825079710.

It is an arithmetic number, because the mean of its divisors is an integer number (10950478182).

Almost surely, 2^51102231502 is an apocalyptic number.

51102231502 is a deficient number, since it is larger than the sum of its proper divisors (36501593954).

51102231502 is a wasteful number, since it uses less digits than its factorization.

51102231502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650159402.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 51102231502 its reverse (20513220115), we get a palindrome (71615451617).

The spelling of 51102231502 in words is "fifty-one billion, one hundred two million, two hundred thirty-one thousand, five hundred two".