11953971101 has 8 divisors (see below), whose sum is σ = 12392550144. Its totient is φ = 11518702560.

The previous prime is 11953971089. The next prime is 11953971109. The reversal of 11953971101 is 10117935911.

11953971101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11953971101 - 2⁶ = 11953971037 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 (11953971109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820271 + ... + 834716.

It is an arithmetic number, because the mean of its divisors is an integer number (1549068768).

Almost surely, 2^11953971101 is an apocalyptic number.

It is an amenable number.

11953971101 is a deficient number, since it is larger than the sum of its proper divisors (438579043).

11953971101 is a wasteful number, since it uses less digits than its factorization.

11953971101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655251.

The product of its (nonzero) digits is 8505, while the sum is 38.

The spelling of 11953971101 in words is "eleven billion, nine hundred fifty-three million, nine hundred seventy-one thousand, one hundred one".