11791900345 has 8 divisors (see below), whose sum is σ = 14153560200. Its totient is φ = 9431333760.

The previous prime is 11791900331. The next prime is 11791900357. The reversal of 11791900345 is 54300919711.

It can be written as a sum of positive squares in 4 ways, for example, as 1168887721 + 10623012624 = 34189^2 + 103068^2 .

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

It is not a de Polignac number, because 11791900345 - 2¹⁹ = 11791376057 is a prime.

It is a super-2 number, since 2×11791900345² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11791900298 and 11791900307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249396 + ... + 292885.

It is an arithmetic number, because the mean of its divisors is an integer number (1769195025).

Almost surely, 2^11791900345 is an apocalyptic number.

It is an amenable number.

11791900345 is a deficient number, since it is larger than the sum of its proper divisors (2361659855).

11791900345 is an equidigital number, since it uses as much as digits as its factorization.

11791900345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546635.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 11791900345 in words is "eleven billion, seven hundred ninety-one million, nine hundred thousand, three hundred forty-five".