625125510551 has 2 divisors, whose sum is σ = 625125510552. Its totient is φ = 625125510550.

The previous prime is 625125510533. The next prime is 625125510571. The reversal of 625125510551 is 155015521526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625125510551 - 2²⁶ = 625058401687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625125510571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312562755275 + 312562755276.

It is an arithmetic number, because the mean of its divisors is an integer number (312562755276).

Almost surely, 2^625125510551 is an apocalyptic number.

625125510551 is a deficient number, since it is larger than the sum of its proper divisors (1).

625125510551 is an equidigital number, since it uses as much as digits as its factorization.

625125510551 is an evil number, because the sum of its binary digits is even.

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

The spelling of 625125510551 in words is "six hundred twenty-five billion, one hundred twenty-five million, five hundred ten thousand, five hundred fifty-one".