51252341155 has 8 divisors (see below), whose sum is σ = 61597871712. Its totient is φ = 40938498048.

The previous prime is 51252341131. The next prime is 51252341159. The reversal of 51252341155 is 55114325215.

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 51252341155 - 2¹¹ = 51252339107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51252341155.

It is not an unprimeable number, because it can be changed into a prime (51252341159) 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, 7918302 + ... + 7924771.

It is an arithmetic number, because the mean of its divisors is an integer number (7699733964).

Almost surely, 2^51252341155 is an apocalyptic number.

51252341155 is a deficient number, since it is larger than the sum of its proper divisors (10345530557).

51252341155 is a wasteful number, since it uses less digits than its factorization.

51252341155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843725.

The product of its digits is 30000, while the sum is 34.

The spelling of 51252341155 in words is "fifty-one billion, two hundred fifty-two million, three hundred forty-one thousand, one hundred fifty-five".