52112442078140 has 12 divisors (see below), whose sum is σ = 109436128364136. Its totient is φ = 20844976831248.

The previous prime is 52112442078139. The next prime is 52112442078283. The reversal of 52112442078140 is 4187024421125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302811051934 + ... + 1302811051973.

It is an arithmetic number, because the mean of its divisors is an integer number (9119677363678).

Almost surely, 2^{52112442078140} is an apocalyptic number.

It is an amenable number.

52112442078140 is an abundant number, since it is smaller than the sum of its proper divisors (57323686285996).

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

52112442078140 is a wasteful number, since it uses less digits than its factorization.

52112442078140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605622103916 (or 2605622103914 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

Adding to 52112442078140 its reverse (4187024421125), we get a palindrome (56299466499265).

The spelling of 52112442078140 in words is "fifty-two trillion, one hundred twelve billion, four hundred forty-two million, seventy-eight thousand, one hundred forty".