1108952231657 has 4 divisors (see below), whose sum is σ = 1109317381956. Its totient is φ = 1108587081360.

The previous prime is 1108952231627. The next prime is 1108952231693. The reversal of 1108952231657 is 7561322598011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 956750034496 + 152202197161 = 978136^2 + 390131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108952231657 - 2¹⁶ = 1108952166121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108952231627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182570594 + ... + 182576667.

It is an arithmetic number, because the mean of its divisors is an integer number (277329345489).

Almost surely, 2^{1108952231657} is an apocalyptic number.

It is an amenable number.

1108952231657 is a deficient number, since it is larger than the sum of its proper divisors (365150299).

1108952231657 is an equidigital number, since it uses as much as digits as its factorization.

1108952231657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365150298.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 1108952231657 in words is "one trillion, one hundred eight billion, nine hundred fifty-two million, two hundred thirty-one thousand, six hundred fifty-seven".