5185503551 has 2 divisors, whose sum is σ = 5185503552. Its totient is φ = 5185503550.

The previous prime is 5185503527. The next prime is 5185503613. The reversal of 5185503551 is 1553055815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5185503551 - 2¹⁸ = 5185241407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185503511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592751775 + 2592751776.

It is an arithmetic number, because the mean of its divisors is an integer number (2592751776).

Almost surely, 2^5185503551 is an apocalyptic number.

5185503551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185503551 is an equidigital number, since it uses as much as digits as its factorization.

5185503551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 38.

The square root of 5185503551 is about 72010.4405694063. The cubic root of 5185503551 is about 1730.8667904005.

The spelling of 5185503551 in words is "five billion, one hundred eighty-five million, five hundred three thousand, five hundred fifty-one".