11312040225 has 12 divisors (see below), whose sum is σ = 18702573296. Its totient is φ = 6033088080.

The previous prime is 11312040211. The next prime is 11312040239. The reversal of 11312040225 is 52204021311.

It is an interprime number because it is at equal distance from previous prime (11312040211) and next prime (11312040239).

It is not a de Polignac number, because 11312040225 - 2⁴ = 11312040209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75413527 + ... + 75413676.

Almost surely, 2^11312040225 is an apocalyptic number.

11312040225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11312040225 is a deficient number, since it is larger than the sum of its proper divisors (7390533071).

11312040225 is a wasteful number, since it uses less digits than its factorization.

11312040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150827216 (or 150827211 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11312040225 its reverse (52204021311), we get a palindrome (63516061536).

The spelling of 11312040225 in words is "eleven billion, three hundred twelve million, forty thousand, two hundred twenty-five".