1126699678592 has 64 divisors (see below), whose sum is σ = 2274855000000. Its totient is φ = 555767267328.

The previous prime is 1126699678519. The next prime is 1126699678619. The reversal of 1126699678592 is 2958769966211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1126699678592² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12585284 + ... + 12674492.

It is an arithmetic number, because the mean of its divisors is an integer number (35544609375).

Almost surely, 2^{1126699678592} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126699678592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137427500000).

1126699678592 is an abundant number, since it is smaller than the sum of its proper divisors (1148155321408).

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

1126699678592 is an equidigital number, since it uses as much as digits as its factorization.

1126699678592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90551 (or 90539 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 71.

The spelling of 1126699678592 in words is "one trillion, one hundred twenty-six billion, six hundred ninety-nine million, six hundred seventy-eight thousand, five hundred ninety-two".