612140985495 has 192 divisors, whose sum is σ = 1232483091840. Its totient is φ = 278517657600.

The previous prime is 612140985487. The next prime is 612140985527. The reversal of 612140985495 is 594589041216.

612140985495 is a `hidden beast` number, since 6 + 1 + 2 + 1 + 4 + 0 + 98 + 549 + 5 = 666.

It is not a de Polignac number, because 612140985495 - 2³ = 612140985487 is a prime.

It is a super-2 number, since 2×612140985495² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 106623325 + ... + 106629065.

It is an arithmetic number, because the mean of its divisors is an integer number (6419182770).

Almost surely, 2^612140985495 is an apocalyptic number.

612140985495 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

612140985495 is an abundant number, since it is smaller than the sum of its proper divisors (620342106345).

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

612140985495 is a wasteful number, since it uses less digits than its factorization.

612140985495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 612140985495 in words is "six hundred twelve billion, one hundred forty million, nine hundred eighty-five thousand, four hundred ninety-five".