611261442944 has 32 divisors (see below), whose sum is σ = 1217872923240. Its totient is φ = 305599219200.

The previous prime is 611261442937. The next prime is 611261443027. The reversal of 611261442944 is 449244162116.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 611261442895 and 611261442904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026167 + ... + 1508489.

Almost surely, 2^611261442944 is an apocalyptic number.

611261442944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

611261442944 is a deficient number, since it is larger than the sum of its proper divisors (606611480296).

611261442944 is an equidigital number, since it uses as much as digits as its factorization.

611261442944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492238 (or 492226 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The spelling of 611261442944 in words is "six hundred eleven billion, two hundred sixty-one million, four hundred forty-two thousand, nine hundred forty-four".