51125113 has 16 divisors (see below), whose sum is σ = 57859200. Its totient is φ = 44820864.

The previous prime is 51125077. The next prime is 51125117. The reversal of 51125113 is 31152115.

51125113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51125113 - 2¹³ = 51116921 is a prime.

It is a super-2 number, since 2×51125113² = 5227554358525538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51125117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48213 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (3616200).

Almost surely, 2^51125113 is an apocalyptic number.

It is an amenable number.

51125113 is a deficient number, since it is larger than the sum of its proper divisors (6734087).

51125113 is a wasteful number, since it uses less digits than its factorization.

51125113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 150, while the sum is 19.

The square root of 51125113 is about 7150.1827249379. The cubic root of 51125113 is about 371.1459794656.

Adding to 51125113 its reverse (31152115), we get a palindrome (82277228).

The spelling of 51125113 in words is "fifty-one million, one hundred twenty-five thousand, one hundred thirteen".