18761402204107 has 4 divisors (see below), whose sum is σ = 19577115343440. Its totient is φ = 17945689064776.

The previous prime is 18761402204101. The next prime is 18761402204143. The reversal of 18761402204107 is 70140220416781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18761402204107 - 2²³ = 18761393815499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18761402204101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407856569632 + ... + 407856569677.

It is an arithmetic number, because the mean of its divisors is an integer number (4894278835860).

Almost surely, 2^{18761402204107} is an apocalyptic number.

18761402204107 is a deficient number, since it is larger than the sum of its proper divisors (815713139333).

18761402204107 is an equidigital number, since it uses as much as digits as its factorization.

18761402204107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815713139332.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 18761402204107 in words is "eighteen trillion, seven hundred sixty-one billion, four hundred two million, two hundred four thousand, one hundred seven".