11251115612 has 12 divisors (see below), whose sum is σ = 21479402616. Its totient is φ = 5114143440.

The previous prime is 11251115543. The next prime is 11251115641. The reversal of 11251115612 is 21651115211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127853543 + ... + 127853630.

It is an arithmetic number, because the mean of its divisors is an integer number (1789950218).

Almost surely, 2^11251115612 is an apocalyptic number.

It is an amenable number.

11251115612 is a deficient number, since it is larger than the sum of its proper divisors (10228287004).

11251115612 is a wasteful number, since it uses less digits than its factorization.

11251115612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255707188 (or 255707186 counting only the distinct ones).

The product of its digits is 600, while the sum is 26.

The spelling of 11251115612 in words is "eleven billion, two hundred fifty-one million, one hundred fifteen thousand, six hundred twelve".