51125351354 has 128 divisors (see below), whose sum is σ = 103287674880. Its totient is φ = 18380908800.

The previous prime is 51125351317. The next prime is 51125351357. The reversal of 51125351354 is 45315352115.

It is a super-2 number, since 2×51125351354² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51125351357) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19096664 + ... + 19099340.

It is an arithmetic number, because the mean of its divisors is an integer number (806934960).

Almost surely, 2^51125351354 is an apocalyptic number.

51125351354 is an abundant number, since it is smaller than the sum of its proper divisors (52162323526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51125351354 is a wasteful number, since it uses less digits than its factorization.

51125351354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its digits is 45000, while the sum is 35.

The spelling of 51125351354 in words is "fifty-one billion, one hundred twenty-five million, three hundred fifty-one thousand, three hundred fifty-four".