18487900892211 has 16 divisors (see below), whose sum is σ = 24667231389600. Its totient is φ = 12316919339520.

The previous prime is 18487900892189. The next prime is 18487900892243. The reversal of 18487900892211 is 11229800978481.

It is not a de Polignac number, because 18487900892211 - 2⁵ = 18487900892179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18487900892311) 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, 279404971 + ... + 279471131.

It is an arithmetic number, because the mean of its divisors is an integer number (1541701961850).

Almost surely, 2^{18487900892211} is an apocalyptic number.

18487900892211 is a deficient number, since it is larger than the sum of its proper divisors (6179330497389).

18487900892211 is a wasteful number, since it uses less digits than its factorization.

18487900892211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127846.

The product of its (nonzero) digits is 4644864, while the sum is 60.

The spelling of 18487900892211 in words is "eighteen trillion, four hundred eighty-seven billion, nine hundred million, eight hundred ninety-two thousand, two hundred eleven".