2551116123 has 12 divisors (see below), whose sum is σ = 3736847088. Its totient is φ = 1676789520.

The previous prime is 2551116103. The next prime is 2551116143. The reversal of 2551116123 is 3216111552.

2551116123 is a `hidden beast` number, since 25 + 511 + 1 + 6 + 123 = 666.

2551116123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2551116103) and next prime (2551116143).

It is not a de Polignac number, because 2551116123 - 2⁵ = 2551116091 is a prime.

It is a super-2 number, since 2×2551116123² = 13016386946061102258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551116103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1995540 + ... + 1996817.

It is an arithmetic number, because the mean of its divisors is an integer number (311403924).

Almost surely, 2^2551116123 is an apocalyptic number.

2551116123 is a deficient number, since it is larger than the sum of its proper divisors (1185730965).

2551116123 is a wasteful number, since it uses less digits than its factorization.

2551116123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992434 (or 3992431 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2551116123 is about 50508.5747472644. The cubic root of 2551116123 is about 1366.3965050025.

Adding to 2551116123 its reverse (3216111552), we get a palindrome (5767227675).

The spelling of 2551116123 in words is "two billion, five hundred fifty-one million, one hundred sixteen thousand, one hundred twenty-three".