611426631425 has 12 divisors (see below), whose sum is σ = 761189624496. Its totient is φ = 487192530000.

The previous prime is 611426631401. The next prime is 611426631499. The reversal of 611426631425 is 524136624116.

It is a de Polignac number, because none of the positive numbers 2^k-611426631425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48712979 + ... + 48725528.

It is an arithmetic number, because the mean of its divisors is an integer number (63432468708).

Almost surely, 2^611426631425 is an apocalyptic number.

It is an amenable number.

611426631425 is a deficient number, since it is larger than the sum of its proper divisors (149762993071).

611426631425 is a wasteful number, since it uses less digits than its factorization.

611426631425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97438768 (or 97438763 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The spelling of 611426631425 in words is "six hundred eleven billion, four hundred twenty-six million, six hundred thirty-one thousand, four hundred twenty-five".