611251624432 has 80 divisors (see below), whose sum is σ = 1308354831360. Its totient is φ = 275350116096.

The previous prime is 611251624427. The next prime is 611251624469. The reversal of 611251624432 is 234426152116.

It is a junction number, because it is equal to n+sod(n) for n = 611251624391 and 611251624400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956953 + ... + 1462279.

It is an arithmetic number, because the mean of its divisors is an integer number (16354435392).

Almost surely, 2^611251624432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611251624432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654177415680).

611251624432 is an abundant number, since it is smaller than the sum of its proper divisors (697103206928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611251624432 is a wasteful number, since it uses less digits than its factorization.

611251624432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505550 (or 505544 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

Adding to 611251624432 its reverse (234426152116), we get a palindrome (845677776548).

The spelling of 611251624432 in words is "six hundred eleven billion, two hundred fifty-one million, six hundred twenty-four thousand, four hundred thirty-two".