11192797901 has 32 divisors (see below), whose sum is σ = 12060576000. Its totient is φ = 10363978240.

The previous prime is 11192797897. The next prime is 11192797949. The reversal of 11192797901 is 10979729111.

It is a cyclic number.

It is not a de Polignac number, because 11192797901 - 2² = 11192797897 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 (11192797981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39831881 + ... + 39832161.

It is an arithmetic number, because the mean of its divisors is an integer number (376893000).

Almost surely, 2^11192797901 is an apocalyptic number.

It is an amenable number.

11192797901 is a deficient number, since it is larger than the sum of its proper divisors (867778099).

11192797901 is a wasteful number, since it uses less digits than its factorization.

11192797901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 71442, while the sum is 47.

The spelling of 11192797901 in words is "eleven billion, one hundred ninety-two million, seven hundred ninety-seven thousand, nine hundred one".