614651064511 has 4 divisors (see below), whose sum is σ = 670528434024. Its totient is φ = 558773695000.

The previous prime is 614651064493. The next prime is 614651064553. The reversal of 614651064511 is 115460156416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 614651064511 - 2¹¹ = 614651062463 is a prime.

It is a super-2 number, since 2×614651064511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614651062511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27938684740 + ... + 27938684761.

It is an arithmetic number, because the mean of its divisors is an integer number (167632108506).

Almost surely, 2^614651064511 is an apocalyptic number.

614651064511 is a deficient number, since it is larger than the sum of its proper divisors (55877369513).

614651064511 is a wasteful number, since it uses less digits than its factorization.

614651064511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55877369512.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 614651064511 in words is "six hundred fourteen billion, six hundred fifty-one million, sixty-four thousand, five hundred eleven".