1129826804564 has 12 divisors (see below), whose sum is σ = 1977258304224. Its totient is φ = 564895860504.

The previous prime is 1129826804551. The next prime is 1129826804591. The reversal of 1129826804564 is 4654086289211.

It is a super-2 number, since 2×1129826804564² (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 3 ways as a sum of consecutive naturals, for example, 4239992 + ... + 4498575.

It is an arithmetic number, because the mean of its divisors is an integer number (164771525352).

Almost surely, 2^{1129826804564} is an apocalyptic number.

It is an amenable number.

1129826804564 is a deficient number, since it is larger than the sum of its proper divisors (847431499660).

1129826804564 is a wasteful number, since it uses less digits than its factorization.

1129826804564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770894 (or 8770892 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 1129826804564 in words is "one trillion, one hundred twenty-nine billion, eight hundred twenty-six million, eight hundred four thousand, five hundred sixty-four".