11252638018 has 8 divisors (see below), whose sum is σ = 16958952720. Its totient is φ = 5599653780.

The previous prime is 11252638009. The next prime is 11252638031. The reversal of 11252638018 is 81083625211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13332088 + ... + 13332931.

It is an arithmetic number, because the mean of its divisors is an integer number (2119869090).

Almost surely, 2^11252638018 is an apocalyptic number.

11252638018 is a deficient number, since it is larger than the sum of its proper divisors (5706314702).

11252638018 is a wasteful number, since it uses less digits than its factorization.

11252638018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26665232.

The product of its (nonzero) digits is 23040, while the sum is 37.

It can be divided in two parts, 112526 and 38018, that added together give a square (150544 = 388²).

The spelling of 11252638018 in words is "eleven billion, two hundred fifty-two million, six hundred thirty-eight thousand, eighteen".