51122858757 has 8 divisors (see below), whose sum is σ = 68866531776. Its totient is φ = 33730545792.

The previous prime is 51122858707. The next prime is 51122858783. The reversal of 51122858757 is 75785822115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51122858757 - 2⁷ = 51122858629 is a prime.

It is a super-2 number, since 2×51122858757² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122858707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87839673 + ... + 87840254.

It is an arithmetic number, because the mean of its divisors is an integer number (8608316472).

Almost surely, 2^51122858757 is an apocalyptic number.

It is an amenable number.

51122858757 is a deficient number, since it is larger than the sum of its proper divisors (17743673019).

51122858757 is a wasteful number, since it uses less digits than its factorization.

51122858757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175680027.

The product of its digits is 1568000, while the sum is 51.

The spelling of 51122858757 in words is "fifty-one billion, one hundred twenty-two million, eight hundred fifty-eight thousand, seven hundred fifty-seven".