1183426345605 has 16 divisors (see below), whose sum is σ = 2163979603584. Its totient is φ = 540994900800.

The previous prime is 1183426345597. The next prime is 1183426345637. The reversal of 1183426345605 is 5065436243811.

It is not a de Polignac number, because 1183426345605 - 2³ = 1183426345597 is a prime.

It is a congruent number.

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, 5635363446 + ... + 5635363655.

It is an arithmetic number, because the mean of its divisors is an integer number (135248725224).

Almost surely, 2^{1183426345605} is an apocalyptic number.

1183426345605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1183426345605 is a deficient number, since it is larger than the sum of its proper divisors (980553257979).

1183426345605 is a wasteful number, since it uses less digits than its factorization.

1183426345605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270727116.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 1183426345605 in words is "one trillion, one hundred eighty-three billion, four hundred twenty-six million, three hundred forty-five thousand, six hundred five".