18868733265011 has 32 divisors (see below), whose sum is σ = 21733958400000. Its totient is φ = 16046471734272.

The previous prime is 18868733265001. The next prime is 18868733265097. The reversal of 18868733265011 is 11056233786881.

It is not a de Polignac number, because 18868733265011 - 2¹⁴ = 18868733248627 is a prime.

It is a super-2 number, since 2×18868733265011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18868733265001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565993915 + ... + 1566005963.

It is an arithmetic number, because the mean of its divisors is an integer number (679186200000).

Almost surely, 2^{18868733265011} is an apocalyptic number.

18868733265011 is a deficient number, since it is larger than the sum of its proper divisors (2865225134989).

18868733265011 is a wasteful number, since it uses less digits than its factorization.

18868733265011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 18868733265011 in words is "eighteen trillion, eight hundred sixty-eight billion, seven hundred thirty-three million, two hundred sixty-five thousand, eleven".