11506985184122 has 4 divisors (see below), whose sum is σ = 17260477776186. Its totient is φ = 5753492592060.

The previous prime is 11506985184113. The next prime is 11506985184181. The reversal of 11506985184122 is 22148158960511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11413796021761 + 93189162361 = 3378431^2 + 305269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2876746296029 + ... + 2876746296032.

Almost surely, 2^{11506985184122} is an apocalyptic number.

11506985184122 is a deficient number, since it is larger than the sum of its proper divisors (5753492592064).

11506985184122 is an equidigital number, since it uses as much as digits as its factorization.

11506985184122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753492592063.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 11506985184122 in words is "eleven trillion, five hundred six billion, nine hundred eighty-five million, one hundred eighty-four thousand, one hundred twenty-two".