51151110073 has 4 divisors (see below), whose sum is σ = 58458411520. Its totient is φ = 43843808628.

The previous prime is 51151110067. The next prime is 51151110103. The reversal of 51151110073 is 37001115115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51151110073 - 2⁹ = 51151109561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51151119073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653650713 + ... + 3653650726.

It is an arithmetic number, because the mean of its divisors is an integer number (14614602880).

Almost surely, 2^51151110073 is an apocalyptic number.

It is an amenable number.

51151110073 is a deficient number, since it is larger than the sum of its proper divisors (7307301447).

51151110073 is an equidigital number, since it uses as much as digits as its factorization.

51151110073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307301446.

The product of its (nonzero) digits is 525, while the sum is 25.

Adding to 51151110073 its reverse (37001115115), we get a palindrome (88152225188).

The spelling of 51151110073 in words is "fifty-one billion, one hundred fifty-one million, one hundred ten thousand, seventy-three".