625161212611 has 4 divisors (see below), whose sum is σ = 673250536672. Its totient is φ = 577071888552.

The previous prime is 625161212587. The next prime is 625161212629. The reversal of 625161212611 is 116212161526.

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 625161212611 - 2⁵ = 625161212579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625161212671) 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, 24044662011 + ... + 24044662036.

It is an arithmetic number, because the mean of its divisors is an integer number (168312634168).

Almost surely, 2^625161212611 is an apocalyptic number.

625161212611 is a deficient number, since it is larger than the sum of its proper divisors (48089324061).

625161212611 is a wasteful number, since it uses less digits than its factorization.

625161212611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48089324060.

The product of its digits is 8640, while the sum is 34.

The spelling of 625161212611 in words is "six hundred twenty-five billion, one hundred sixty-one million, two hundred twelve thousand, six hundred eleven".