18105026757388 has 48 divisors (see below), whose sum is σ = 33635848276800. Its totient is φ = 8497592395776.

The previous prime is 18105026757383. The next prime is 18105026757427. The reversal of 18105026757388 is 88375762050181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18105026757383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276595288 + ... + 276660736.

It is an arithmetic number, because the mean of its divisors is an integer number (700746839100).

Almost surely, 2^{18105026757388} is an apocalyptic number.

It is an amenable number.

18105026757388 is a deficient number, since it is larger than the sum of its proper divisors (15530821519412).

18105026757388 is a wasteful number, since it uses less digits than its factorization.

18105026757388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76114 (or 76112 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 61.

The spelling of 18105026757388 in words is "eighteen trillion, one hundred five billion, twenty-six million, seven hundred fifty-seven thousand, three hundred eighty-eight".