51125154103 has 8 divisors (see below), whose sum is σ = 51892310016. Its totient is φ = 50359306200.

The previous prime is 51125154043. The next prime is 51125154127. The reversal of 51125154103 is 30145152115.

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 51125154103 - 2⁹ = 51125153591 is a prime.

It is a super-2 number, since 2×51125154103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51125154173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248103 + ... + 404728.

It is an arithmetic number, because the mean of its divisors is an integer number (6486538752).

Almost surely, 2^51125154103 is an apocalyptic number.

51125154103 is a deficient number, since it is larger than the sum of its proper divisors (767155913).

51125154103 is a wasteful number, since it uses less digits than its factorization.

51125154103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654005.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 51125154103 in words is "fifty-one billion, one hundred twenty-five million, one hundred fifty-four thousand, one hundred three".