11237155173212 has 24 divisors (see below), whose sum is σ = 21115052148960. Its totient is φ = 5213593118720.

The previous prime is 11237155173203. The next prime is 11237155173289. The reversal of 11237155173212 is 21237155173211.

It is a self number, because there is not a number n which added to its sum of digits gives 11237155173212.

It is a congruent number.

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, 1163743637 + ... + 1163753292.

It is an arithmetic number, because the mean of its divisors is an integer number (879793839540).

Almost surely, 2^{11237155173212} is an apocalyptic number.

It is an amenable number.

11237155173212 is a deficient number, since it is larger than the sum of its proper divisors (9877896975748).

11237155173212 is a wasteful number, since it uses less digits than its factorization.

11237155173212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327497021 (or 2327497019 counting only the distinct ones).

The product of its digits is 88200, while the sum is 41.

Subtracting 11237155173212 from its reverse (21237155173211), we obtain a palindrome (9999999999999).

The spelling of 11237155173212 in words is "eleven trillion, two hundred thirty-seven billion, one hundred fifty-five million, one hundred seventy-three thousand, two hundred twelve".