1126280450111 has 16 divisors (see below), whose sum is σ = 1194723014400. Its totient is φ = 1058082715008.

The previous prime is 1126280450041. The next prime is 1126280450167. The reversal of 1126280450111 is 1110540826211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126280450111 is a prime.

It is a super-3 number, since 3×1126280450111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126280450411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27354206 + ... + 27395348.

It is an arithmetic number, because the mean of its divisors is an integer number (74670188400).

Almost surely, 2^{1126280450111} is an apocalyptic number.

1126280450111 is a deficient number, since it is larger than the sum of its proper divisors (68442564289).

1126280450111 is a wasteful number, since it uses less digits than its factorization.

1126280450111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44078.

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 1126280450111 in words is "one trillion, one hundred twenty-six billion, two hundred eighty million, four hundred fifty thousand, one hundred eleven".