11862603641 has 4 divisors (see below), whose sum is σ = 13557261312. Its totient is φ = 10167945972.

The previous prime is 11862603637. The next prime is 11862603679. The reversal of 11862603641 is 14630626811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11862603641 - 2² = 11862603637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11862603595 and 11862603604.

It is not an unprimeable number, because it can be changed into a prime (11862603601) 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, 847328825 + ... + 847328838.

It is an arithmetic number, because the mean of its divisors is an integer number (3389315328).

Almost surely, 2^11862603641 is an apocalyptic number.

It is an amenable number.

11862603641 is a deficient number, since it is larger than the sum of its proper divisors (1694657671).

11862603641 is an equidigital number, since it uses as much as digits as its factorization.

11862603641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694657670.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 11862603641 in words is "eleven billion, eight hundred sixty-two million, six hundred three thousand, six hundred forty-one".