51102036042 has 32 divisors (see below), whose sum is σ = 106734298752. Its totient is φ = 16280176704.

The previous prime is 51102035987. The next prime is 51102036059. The reversal of 51102036042 is 24063020115.

It is a super-2 number, since 2×51102036042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21028 + ... + 320384.

It is an arithmetic number, because the mean of its divisors is an integer number (3335446836).

Almost surely, 2^51102036042 is an apocalyptic number.

51102036042 is an abundant number, since it is smaller than the sum of its proper divisors (55632262710).

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

51102036042 is a wasteful number, since it uses less digits than its factorization.

51102036042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300622.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 51102036042 its reverse (24063020115), we get a palindrome (75165056157).

The spelling of 51102036042 in words is "fifty-one billion, one hundred two million, thirty-six thousand, forty-two".