625144041103 has 4 divisors (see below), whose sum is σ = 629125850440. Its totient is φ = 621162231768.

The previous prime is 625144041101. The next prime is 625144041121. The reversal of 625144041103 is 301140441526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625144041103 - 2¹ = 625144041101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625144041101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990904433 + ... + 1990904746.

It is an arithmetic number, because the mean of its divisors is an integer number (157281462610).

Almost surely, 2^625144041103 is an apocalyptic number.

625144041103 is a deficient number, since it is larger than the sum of its proper divisors (3981809337).

625144041103 is a wasteful number, since it uses less digits than its factorization.

625144041103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981809336.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 625144041103 its reverse (301140441526), we get a palindrome (926284482629).

The spelling of 625144041103 in words is "six hundred twenty-five billion, one hundred forty-four million, forty-one thousand, one hundred three".