11252399999 has 4 divisors (see below), whose sum is σ = 11311313280. Its totient is φ = 11193486720.

The previous prime is 11252399981. The next prime is 11252400037. The reversal of 11252399999 is 99999325211.

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

It is a cyclic number.

It is not a de Polignac number, because 11252399999 - 2¹⁶ = 11252334463 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 (11252399959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29456354 + ... + 29456735.

It is an arithmetic number, because the mean of its divisors is an integer number (2827828320).

Almost surely, 2^11252399999 is an apocalyptic number.

11252399999 is a deficient number, since it is larger than the sum of its proper divisors (58913281).

11252399999 is an equidigital number, since it uses as much as digits as its factorization.

11252399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58913280.

The product of its digits is 3542940, while the sum is 59.

The spelling of 11252399999 in words is "eleven billion, two hundred fifty-two million, three hundred ninety-nine thousand, nine hundred ninety-nine".