1326056546555 has 8 divisors (see below), whose sum is σ = 1713673075632. Its totient is φ = 979241757408.

The previous prime is 1326056546527. The next prime is 1326056546567. The reversal of 1326056546555 is 5556456506231.

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 not a de Polignac number, because 1326056546555 - 2⁸ = 1326056546299 is a prime.

It is a super-2 number, since 2×1326056546555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1326056546497 and 1326056546506.

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, 10200434909 + ... + 10200435038.

It is an arithmetic number, because the mean of its divisors is an integer number (214209134454).

Almost surely, 2^{1326056546555} is an apocalyptic number.

1326056546555 is a deficient number, since it is larger than the sum of its proper divisors (387616529077).

1326056546555 is a wasteful number, since it uses less digits than its factorization.

1326056546555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400869965.

The product of its (nonzero) digits is 16200000, while the sum is 53.

The spelling of 1326056546555 in words is "one trillion, three hundred twenty-six billion, fifty-six million, five hundred forty-six thousand, five hundred fifty-five".