611414412505 has 8 divisors (see below), whose sum is σ = 790135548552. Its totient is φ = 451506027648.

The previous prime is 611414412491. The next prime is 611414412569. The reversal of 611414412505 is 505214414116.

611414412505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 124059632841 + 487354779664 = 352221^2 + 698108^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611414412505 - 2³⁷ = 473975459033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703187724 + ... + 4703187853.

It is an arithmetic number, because the mean of its divisors is an integer number (98766943569).

Almost surely, 2^611414412505 is an apocalyptic number.

611414412505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

611414412505 is a deficient number, since it is larger than the sum of its proper divisors (178721136047).

611414412505 is a wasteful number, since it uses less digits than its factorization.

611414412505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406375595.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 611414412505 in words is "six hundred eleven billion, four hundred fourteen million, four hundred twelve thousand, five hundred five".