51154045115 has 4 divisors (see below), whose sum is σ = 61384854144. Its totient is φ = 40923236088.

The previous prime is 51154045087. The next prime is 51154045123.

51154045115 is nontrivially palindromic in base 10.

51154045115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51154045115 - 2¹² = 51154041019 is a prime.

It is a Duffinian 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, 5115404507 + ... + 5115404516.

It is an arithmetic number, because the mean of its divisors is an integer number (15346213536).

Almost surely, 2^51154045115 is an apocalyptic number.

51154045115 is a deficient number, since it is larger than the sum of its proper divisors (10230809029).

51154045115 is a wasteful number, since it uses less digits than its factorization.

51154045115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230809028.

The product of its (nonzero) digits is 10000, while the sum is 32.

It can be divided in two parts, 511540 and 45115, that added together give a palindrome (556655).

The spelling of 51154045115 in words is "fifty-one billion, one hundred fifty-four million, forty-five thousand, one hundred fifteen".