51140032113 has 8 divisors (see below), whose sum is σ = 68192690400. Its totient is φ = 34090364288.

The previous prime is 51140032093. The next prime is 51140032117. The reversal of 51140032113 is 31123004115.

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

It is a cyclic number.

It is not a de Polignac number, because 51140032113 - 2²⁹ = 50603161201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51140032113.

It is not an unprimeable number, because it can be changed into a prime (51140032117) 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, 707403 + ... + 776336.

It is an arithmetic number, because the mean of its divisors is an integer number (8524086300).

Almost surely, 2^51140032113 is an apocalyptic number.

It is an amenable number.

51140032113 is a deficient number, since it is larger than the sum of its proper divisors (17052658287).

51140032113 is a wasteful number, since it uses less digits than its factorization.

51140032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495231.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 51140032113 its reverse (31123004115), we get a palindrome (82263036228).

The spelling of 51140032113 in words is "fifty-one billion, one hundred forty million, thirty-two thousand, one hundred thirteen".