625220556554 has 16 divisors (see below), whose sum is σ = 1025529936480. Its totient is φ = 283512897360.

The previous prime is 625220556517. The next prime is 625220556563. The reversal of 625220556554 is 455655022526.

It is a junction number, because it is equal to n+sod(n) for n = 625220556499 and 625220556508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33903809 + ... + 33922244.

It is an arithmetic number, because the mean of its divisors is an integer number (64095621030).

Almost surely, 2^625220556554 is an apocalyptic number.

625220556554 is a deficient number, since it is larger than the sum of its proper divisors (400309379926).

625220556554 is a wasteful number, since it uses less digits than its factorization.

625220556554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67826485.

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 625220556554 in words is "six hundred twenty-five billion, two hundred twenty million, five hundred fifty-six thousand, five hundred fifty-four".