1018018409111 has 16 divisors (see below), whose sum is σ = 1169125676160. Its totient is φ = 876680275680.

The previous prime is 1018018409101. The next prime is 1018018409137. The reversal of 1018018409111 is 1119048108101.

It is not a de Polignac number, because 1018018409111 - 2⁶ = 1018018409047 is a prime.

It is a super-2 number, since 2×1018018409111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018018409101) 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, 2067740 + ... + 2512286.

It is an arithmetic number, because the mean of its divisors is an integer number (73070354760).

Almost surely, 2^{1018018409111} is an apocalyptic number.

1018018409111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1018018409111 is a deficient number, since it is larger than the sum of its proper divisors (151107267049).

1018018409111 is a wasteful number, since it uses less digits than its factorization.

1018018409111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455534.

The product of its (nonzero) digits is 2304, while the sum is 35.

The spelling of 1018018409111 in words is "one trillion, eighteen billion, eighteen million, four hundred nine thousand, one hundred eleven".