11205907197 has 8 divisors (see below), whose sum is σ = 15456423840. Its totient is φ = 7212997680.

The previous prime is 11205907189. The next prime is 11205907241. The reversal of 11205907197 is 79170950211.

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

It is not a de Polignac number, because 11205907197 - 2³ = 11205907189 is a prime.

It is a super-2 number, since 2×11205907197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205907117) 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, 64401679 + ... + 64401852.

It is an arithmetic number, because the mean of its divisors is an integer number (1932052980).

Almost surely, 2^11205907197 is an apocalyptic number.

It is an amenable number.

11205907197 is a deficient number, since it is larger than the sum of its proper divisors (4250516643).

11205907197 is a wasteful number, since it uses less digits than its factorization.

11205907197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128803563.

The product of its (nonzero) digits is 39690, while the sum is 42.

The spelling of 11205907197 in words is "eleven billion, two hundred five million, nine hundred seven thousand, one hundred ninety-seven".