655011442605 has 32 divisors (see below), whose sum is σ = 1128682840320. Its totient is φ = 322453532160.

The previous prime is 655011442583. The next prime is 655011442619. The reversal of 655011442605 is 506244110556.

It is not a de Polignac number, because 655011442605 - 2²³ = 655003053997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5785945 + ... + 5898065.

It is an arithmetic number, because the mean of its divisors is an integer number (35271338760).

Almost surely, 2^655011442605 is an apocalyptic number.

655011442605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

655011442605 is a deficient number, since it is larger than the sum of its proper divisors (473671397715).

655011442605 is a wasteful number, since it uses less digits than its factorization.

655011442605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142101.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 655011442605 in words is "six hundred fifty-five billion, eleven million, four hundred forty-two thousand, six hundred five".