1056726518233 has 8 divisors (see below), whose sum is σ = 1064932989120. Its totient is φ = 1048522166640.

The previous prime is 1056726518219. The next prime is 1056726518251. The reversal of 1056726518233 is 3328156276501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056726518233 is a prime.

It is a super-2 number, since 2×1056726518233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056726518203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478716 + ... + 1530562.

It is an arithmetic number, because the mean of its divisors is an integer number (133116623640).

Almost surely, 2^{1056726518233} is an apocalyptic number.

It is an amenable number.

1056726518233 is a deficient number, since it is larger than the sum of its proper divisors (8206470887).

1056726518233 is a wasteful number, since it uses less digits than its factorization.

1056726518233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059647.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 1056726518233 in words is "one trillion, fifty-six billion, seven hundred twenty-six million, five hundred eighteen thousand, two hundred thirty-three".