655040253005 has 8 divisors (see below), whose sum is σ = 786055229592. Its totient is φ = 524027585088.

The previous prime is 655040252957. The next prime is 655040253097. The reversal of 655040253005 is 500352040556.

It can be written as a sum of positive squares in 4 ways, for example, as 60369472804 + 594670780201 = 245702^2 + 771149^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 655040253005 - 2¹⁸ = 655039990861 is a prime.

It is a Duffinian number.

It is a congruent 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, 124619 + ... + 1151351.

It is an arithmetic number, because the mean of its divisors is an integer number (98256903699).

Almost surely, 2^655040253005 is an apocalyptic number.

It is an amenable number.

655040253005 is a deficient number, since it is larger than the sum of its proper divisors (131014976587).

655040253005 is a wasteful number, since it uses less digits than its factorization.

655040253005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154335.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 655040253005 in words is "six hundred fifty-five billion, forty million, two hundred fifty-three thousand, five".