11863453597 has 4 divisors (see below), whose sum is σ = 12184087516. Its totient is φ = 11542819680.

The previous prime is 11863453579. The next prime is 11863453619. The reversal of 11863453597 is 79535436811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79535436811 = 46549 ⋅1708639.

It can be written as a sum of positive squares in 2 ways, for example, as 11205069316 + 658384281 = 105854^2 + 25659^2 .

It is a cyclic number.

It is not a de Polignac number, because 11863453597 - 2¹¹ = 11863451549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863453297) 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, 160316904 + ... + 160316977.

It is an arithmetic number, because the mean of its divisors is an integer number (3046021879).

Almost surely, 2^11863453597 is an apocalyptic number.

It is an amenable number.

11863453597 is a deficient number, since it is larger than the sum of its proper divisors (320633919).

11863453597 is an equidigital number, since it uses as much as digits as its factorization.

11863453597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320633918.

The product of its digits is 2721600, while the sum is 52.

The spelling of 11863453597 in words is "eleven billion, eight hundred sixty-three million, four hundred fifty-three thousand, five hundred ninety-seven".