2551000522123 has 8 divisors (see below), whose sum is σ = 2557127770560. Its totient is φ = 2544873596160.

The previous prime is 2551000522111. The next prime is 2551000522127. The reversal of 2551000522123 is 3212250001552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551000522123 is a prime.

It is a super-2 number, since 2×2551000522123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551000522091 and 2551000522100.

It is not an unprimeable number, because it can be changed into a prime (2551000522127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25317918 + ... + 25418476.

It is an arithmetic number, because the mean of its divisors is an integer number (319640971320).

Almost surely, 2^{2551000522123} is an apocalyptic number.

2551000522123 is a deficient number, since it is larger than the sum of its proper divisors (6127248437).

2551000522123 is a wasteful number, since it uses less digits than its factorization.

2551000522123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161237.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 2551000522123 its reverse (3212250001552), we get a palindrome (5763250523675).

The spelling of 2551000522123 in words is "two trillion, five hundred fifty-one billion, five hundred twenty-two thousand, one hundred twenty-three".