611172480372 has 12 divisors (see below), whose sum is σ = 1426069120896. Its totient is φ = 203724160120.

The previous prime is 611172480353. The next prime is 611172480379. The reversal of 611172480372 is 273084271116.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611172480379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25465520004 + ... + 25465520027.

It is an arithmetic number, because the mean of its divisors is an integer number (118839093408).

Almost surely, 2^611172480372 is an apocalyptic number.

It is an amenable number.

611172480372 is an abundant number, since it is smaller than the sum of its proper divisors (814896640524).

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

611172480372 is a wasteful number, since it uses less digits than its factorization.

611172480372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50931040038 (or 50931040036 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 611172480372 in words is "six hundred eleven billion, one hundred seventy-two million, four hundred eighty thousand, three hundred seventy-two".