626201555451025 has 12 divisors (see below), whose sum is σ = 779511290357772. Its totient is φ = 499011978813440.

The previous prime is 626201555451007. The next prime is 626201555451037. The reversal of 626201555451025 is 520154555102626.

It can be written as a sum of positive squares in 6 ways, for example, as 70925839375504 + 555275716075521 = 8421748^2 + 23564289^2 .

It is not a de Polignac number, because 626201555451025 - 2²⁵ = 626201521896593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 626201555451025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48731632132 + ... + 48731644981.

It is an arithmetic number, because the mean of its divisors is an integer number (64959274196481).

Almost surely, 2^{626201555451025} is an apocalyptic number.

It is an amenable number.

626201555451025 is a deficient number, since it is larger than the sum of its proper divisors (153309734906747).

626201555451025 is a wasteful number, since it uses less digits than its factorization.

626201555451025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97463277380 (or 97463277375 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 626201555451025 in words is "six hundred twenty-six trillion, two hundred one billion, five hundred fifty-five million, four hundred fifty-one thousand, twenty-five".