1655314112545 has 16 divisors (see below), whose sum is σ = 2122518269520. Its totient is φ = 1234919706624.

The previous prime is 1655314112537. The next prime is 1655314112651. The reversal of 1655314112545 is 5452114135561.

It can be written as a sum of positive squares in 8 ways, for example, as 49459980816 + 1605854131729 = 222396^2 + 1267223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655314112545 - 2³ = 1655314112537 is a prime.

It is a super-2 number, since 2×1655314112545² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89322312 + ... + 89340841.

It is an arithmetic number, because the mean of its divisors is an integer number (132657391845).

Almost surely, 2^{1655314112545} is an apocalyptic number.

It is an amenable number.

1655314112545 is a deficient number, since it is larger than the sum of its proper divisors (467204156975).

1655314112545 is a wasteful number, since it uses less digits than its factorization.

1655314112545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178663284.

The product of its digits is 360000, while the sum is 43.

It can be divided in two parts, 165531411 and 2545, that added together give a square (165533956 = 12866²).

The spelling of 1655314112545 in words is "one trillion, six hundred fifty-five billion, three hundred fourteen million, one hundred twelve thousand, five hundred forty-five".