11388223641 has 8 divisors (see below), whose sum is σ = 15354908640. Its totient is φ = 7506843872.

The previous prime is 11388223633. The next prime is 11388223681. The reversal of 11388223641 is 14632288311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11388223641 - 2³ = 11388223633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11388223641.

It is not an unprimeable number, because it can be changed into a prime (11388223631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21325995 + ... + 21326528.

It is an arithmetic number, because the mean of its divisors is an integer number (1919363580).

Almost surely, 2^11388223641 is an apocalyptic number.

It is an amenable number.

11388223641 is a deficient number, since it is larger than the sum of its proper divisors (3966684999).

11388223641 is an equidigital number, since it uses as much as digits as its factorization.

11388223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42652615.

The product of its digits is 55296, while the sum is 39.

The spelling of 11388223641 in words is "eleven billion, three hundred eighty-eight million, two hundred twenty-three thousand, six hundred forty-one".