195901011011 has 8 divisors (see below), whose sum is σ = 207535734000. Its totient is φ = 184278636288.

The previous prime is 195901010983. The next prime is 195901011017. The reversal of 195901011011 is 110110109591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195901011011 - 2³⁰ = 194827269187 is a prime.

It is a super-2 number, since 2×195901011011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195901011017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054386 + ... + 3117863.

It is an arithmetic number, because the mean of its divisors is an integer number (25941966750).

Almost surely, 2^195901011011 is an apocalyptic number.

195901011011 is a deficient number, since it is larger than the sum of its proper divisors (11634722989).

195901011011 is a wasteful number, since it uses less digits than its factorization.

195901011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174133.

The product of its (nonzero) digits is 405, while the sum is 29.

The spelling of 195901011011 in words is "one hundred ninety-five billion, nine hundred one million, eleven thousand, eleven".