12757113078 has 32 divisors (see below), whose sum is σ = 25835369472. Its totient is φ = 4199126400.

The previous prime is 12757113053. The next prime is 12757113113. The reversal of 12757113078 is 87031175721.

12757113078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149023 + ... + 218453.

It is an arithmetic number, because the mean of its divisors is an integer number (807355296).

Almost surely, 2^12757113078 is an apocalyptic number.

12757113078 is an abundant number, since it is smaller than the sum of its proper divisors (13078256394).

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

12757113078 is a wasteful number, since it uses less digits than its factorization.

12757113078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69820.

The product of its (nonzero) digits is 82320, while the sum is 42.

Adding to 12757113078 its reverse (87031175721), we get a palindrome (99788288799).

The spelling of 12757113078 in words is "twelve billion, seven hundred fifty-seven million, one hundred thirteen thousand, seventy-eight".