11861000196172 has 6 divisors (see below), whose sum is σ = 20756750343308. Its totient is φ = 5930500098084.

The previous prime is 11861000196107. The next prime is 11861000196179. The reversal of 11861000196172 is 27169100016811.

It is not an unprimeable number, because it can be changed into a prime (11861000196179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482625024518 + ... + 1482625024525.

Almost surely, 2^{11861000196172} is an apocalyptic number.

It is an amenable number.

11861000196172 is a deficient number, since it is larger than the sum of its proper divisors (8895750147136).

11861000196172 is a wasteful number, since it uses less digits than its factorization.

11861000196172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965250049047 (or 2965250049045 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 11861000196172 in words is "eleven trillion, eight hundred sixty-one billion, one hundred ninety-six thousand, one hundred seventy-two".