5051551601123 has 4 divisors (see below), whose sum is σ = 5051556175680. Its totient is φ = 5051547026568.

The previous prime is 5051551601099. The next prime is 5051551601137. The reversal of 5051551601123 is 3211061551505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051551601123 is a prime.

It is a super-2 number, since 2×5051551601123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5051551601143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507086 + ... + 3218732.

It is an arithmetic number, because the mean of its divisors is an integer number (1262889043920).

Almost surely, 2^{5051551601123} is an apocalyptic number.

5051551601123 is a deficient number, since it is larger than the sum of its proper divisors (4574557).

5051551601123 is a wasteful number, since it uses less digits than its factorization.

5051551601123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574556.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 5051551601123 in words is "five trillion, fifty-one billion, five hundred fifty-one million, six hundred one thousand, one hundred twenty-three".