5045123551 has 16 divisors (see below), whose sum is σ = 5666338048. Its totient is φ = 4460313600.

The previous prime is 5045123549. The next prime is 5045123557. The reversal of 5045123551 is 1553215405.

It is a cyclic number.

It is not a de Polignac number, because 5045123551 - 2¹ = 5045123549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5045123557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25440 + ... + 103621.

It is an arithmetic number, because the mean of its divisors is an integer number (354146128).

Almost surely, 2^5045123551 is an apocalyptic number.

5045123551 is a deficient number, since it is larger than the sum of its proper divisors (621214497).

5045123551 is a wasteful number, since it uses less digits than its factorization.

5045123551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129202.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5045123551 is about 71029.0331554640. The cubic root of 5045123551 is about 1715.1045618461.

Adding to 5045123551 its reverse (1553215405), we get a palindrome (6598338956).

The spelling of 5045123551 in words is "five billion, forty-five million, one hundred twenty-three thousand, five hundred fifty-one".