1126601726280 has 128 divisors (see below), whose sum is σ = 3432848515200. Its totient is φ = 295728371712.

The previous prime is 1126601726233. The next prime is 1126601726309. The reversal of 1126601726280 is 826271066211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4332507 + ... + 4585173.

It is an arithmetic number, because the mean of its divisors is an integer number (26819129025).

Almost surely, 2^{1126601726280} is an apocalyptic number.

1126601726280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126601726280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716424257600).

1126601726280 is an abundant number, since it is smaller than the sum of its proper divisors (2306246788920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126601726280 is a wasteful number, since it uses less digits than its factorization.

1126601726280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253263 (or 253259 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 1126601726280 in words is "one trillion, one hundred twenty-six billion, six hundred one million, seven hundred twenty-six thousand, two hundred eighty".