51140555103 has 16 divisors (see below), whose sum is σ = 74713965696. Its totient is φ = 30857732640.

The previous prime is 51140555069. The next prime is 51140555107. The reversal of 51140555103 is 30155504115.

It is not a de Polignac number, because 51140555103 - 2²⁰ = 51139506527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51140555107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405976 + ... + 3420957.

It is an arithmetic number, because the mean of its divisors is an integer number (4669622856).

Almost surely, 2^51140555103 is an apocalyptic number.

51140555103 is a deficient number, since it is larger than the sum of its proper divisors (23573410593).

51140555103 is a wasteful number, since it uses less digits than its factorization.

51140555103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827174.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 51140555103 in words is "fifty-one billion, one hundred forty million, five hundred fifty-five thousand, one hundred three".