2201636131887 has 4 divisors (see below), whose sum is σ = 2935514842520. Its totient is φ = 1467757421256.

The previous prime is 2201636131879. The next prime is 2201636131927. The reversal of 2201636131887 is 7881316361022.

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

It is not a de Polignac number, because 2201636131887 - 2³ = 2201636131879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201636131867) 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, 366939355312 + ... + 366939355317.

It is an arithmetic number, because the mean of its divisors is an integer number (733878710630).

Almost surely, 2^{2201636131887} is an apocalyptic number.

2201636131887 is a deficient number, since it is larger than the sum of its proper divisors (733878710633).

2201636131887 is an equidigital number, since it uses as much as digits as its factorization.

2201636131887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733878710632.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 2201636131887 in words is "two trillion, two hundred one billion, six hundred thirty-six million, one hundred thirty-one thousand, eight hundred eighty-seven".