1056942691000 has 384 divisors, whose sum is σ = 2933478624960. Its totient is φ = 355332096000.

The previous prime is 1056942690959. The next prime is 1056942691033. The reversal of 1056942691000 is 1962496501.

1056942691000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1056942691000² (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 95 ways as a sum of consecutive naturals, for example, 690360235 + ... + 690361765.

Almost surely, 2^{1056942691000} is an apocalyptic number.

1056942691000 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 1056942691000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466739312480).

1056942691000 is an abundant number, since it is smaller than the sum of its proper divisors (1876535933960).

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

1056942691000 is a wasteful number, since it uses less digits than its factorization.

1056942691000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 1056942691000 in words is "one trillion, fifty-six billion, nine hundred forty-two million, six hundred ninety-one thousand".