1011090492426 has 128 divisors (see below), whose sum is σ = 2462575104000. Its totient is φ = 270628646400.

The previous prime is 1011090492413. The next prime is 1011090492473. The reversal of 1011090492426 is 6242940901101.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7844550 + ... + 7972398.

It is an arithmetic number, because the mean of its divisors is an integer number (19238868000).

Almost surely, 2^{1011090492426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011090492426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231287552000).

1011090492426 is an abundant number, since it is smaller than the sum of its proper divisors (1451484611574).

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

1011090492426 is a wasteful number, since it uses less digits than its factorization.

1011090492426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128084.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 1011090492426 in words is "one trillion, eleven billion, ninety million, four hundred ninety-two thousand, four hundred twenty-six".