191903641141 has 16 divisors (see below), whose sum is σ = 206067971200. Its totient is φ = 178182125568.

The previous prime is 191903641129. The next prime is 191903641201. The reversal of 191903641141 is 141146309191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191903641141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 191903641094 and 191903641103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191903341141) 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, 315636 + ... + 695293.

It is an arithmetic number, because the mean of its divisors is an integer number (12879248200).

Almost surely, 2^191903641141 is an apocalyptic number.

It is an amenable number.

191903641141 is a deficient number, since it is larger than the sum of its proper divisors (14164330059).

191903641141 is a wasteful number, since it uses less digits than its factorization.

191903641141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011148.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 191903641141 in words is "one hundred ninety-one billion, nine hundred three million, six hundred forty-one thousand, one hundred forty-one".