18249151058027 has 16 divisors (see below), whose sum is σ = 20068333743360. Its totient is φ = 16517600950752.

The previous prime is 18249151058003. The next prime is 18249151058063. The reversal of 18249151058027 is 72085015194281.

It is a cyclic number.

It is not a de Polignac number, because 18249151058027 - 2⁸ = 18249151057771 is a prime.

It is a super-2 number, since 2×18249151058027² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18249151058027.

It is not an unprimeable number, because it can be changed into a prime (18249151058077) 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, 24105593 + ... + 24851114.

It is an arithmetic number, because the mean of its divisors is an integer number (1254270858960).

Almost surely, 2^{18249151058027} is an apocalyptic number.

18249151058027 is a deficient number, since it is larger than the sum of its proper divisors (1819182685333).

18249151058027 is a wasteful number, since it uses less digits than its factorization.

18249151058027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48957602.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 18249151058027 in words is "eighteen trillion, two hundred forty-nine billion, one hundred fifty-one million, fifty-eight thousand, twenty-seven".