655711681245 has 32 divisors (see below), whose sum is σ = 1053444642048. Its totient is φ = 348278827008.

The previous prime is 655711681201. The next prime is 655711681271. The reversal of 655711681245 is 542186117556.

It is not a de Polignac number, because 655711681245 - 2¹¹ = 655711679197 is a prime.

It is a super-2 number, since 2×655711681245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8633677 + ... + 8709293.

It is an arithmetic number, because the mean of its divisors is an integer number (32920145064).

Almost surely, 2^655711681245 is an apocalyptic number.

It is an amenable number.

655711681245 is a deficient number, since it is larger than the sum of its proper divisors (397732960803).

655711681245 is a wasteful number, since it uses less digits than its factorization.

655711681245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77989.

The product of its digits is 2016000, while the sum is 51.

The spelling of 655711681245 in words is "six hundred fifty-five billion, seven hundred eleven million, six hundred eighty-one thousand, two hundred forty-five".