611413505465 has 16 divisors (see below), whose sum is σ = 838606825728. Its totient is φ = 419206537536.

The previous prime is 611413505459. The next prime is 611413505467. The reversal of 611413505465 is 564505314116.

It is a cyclic number.

It is not a de Polignac number, because 611413505465 - 2⁴ = 611413505449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611413505467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700517 + ... + 1309026.

It is an arithmetic number, because the mean of its divisors is an integer number (52412926608).

Almost surely, 2^611413505465 is an apocalyptic number.

It is an amenable number.

611413505465 is a deficient number, since it is larger than the sum of its proper divisors (227193320263).

611413505465 is a wasteful number, since it uses less digits than its factorization.

611413505465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018248.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 611413505465 in words is "six hundred eleven billion, four hundred thirteen million, five hundred five thousand, four hundred sixty-five".