612611112547 has 16 divisors (see below), whose sum is σ = 725078233600. Its totient is φ = 517257977544.

The previous prime is 612611112523. The next prime is 612611112587. The reversal of 612611112547 is 745211116216.

It is not a de Polignac number, because 612611112547 - 2⁷ = 612611112419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612611112587) 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 15 ways as a sum of consecutive naturals, for example, 13305663 + ... + 13351624.

It is an arithmetic number, because the mean of its divisors is an integer number (45317389600).

Almost surely, 2^612611112547 is an apocalyptic number.

612611112547 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

612611112547 is a deficient number, since it is larger than the sum of its proper divisors (112467121053).

612611112547 is an equidigital number, since it uses as much as digits as its factorization.

612611112547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26657375 (or 26657361 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The spelling of 612611112547 in words is "six hundred twelve billion, six hundred eleven million, one hundred twelve thousand, five hundred forty-seven".