51515001114 has 16 divisors (see below), whose sum is σ = 103045694400. Its totient is φ = 17169051680.

The previous prime is 51515001103. The next prime is 51515001119. The reversal of 51515001114 is 41110051515.

51515001114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51515001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610947 + ... + 690134.

It is an arithmetic number, because the mean of its divisors is an integer number (6440355900).

Almost surely, 2^51515001114 is an apocalyptic number.

51515001114 is an abundant number, since it is smaller than the sum of its proper divisors (51530693286).

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

51515001114 is a wasteful number, since it uses less digits than its factorization.

51515001114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307685.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 51515001114 its reverse (41110051515), we get a palindrome (92625052629).

The spelling of 51515001114 in words is "fifty-one billion, five hundred fifteen million, one thousand, one hundred fourteen".