10555380357881 has 8 divisors (see below), whose sum is σ = 10851756811080. Its totient is φ = 10259587899648.

The previous prime is 10555380357877. The next prime is 10555380357901. The reversal of 10555380357881 is 18875308355501.

It can be written as a sum of positive squares in 4 ways, for example, as 9175695197881 + 1379685160000 = 3029141^2 + 1174600^2 .

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 10555380357881 - 2² = 10555380357877 is a prime.

It is a super-2 number, since 2×10555380357881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10555380357881.

It is not an unprimeable number, because it can be changed into a prime (10555380357281) 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, 145962086 + ... + 146034383.

It is an arithmetic number, because the mean of its divisors is an integer number (1356469601385).

Almost surely, 2^{10555380357881} is an apocalyptic number.

It is an amenable number.

10555380357881 is a deficient number, since it is larger than the sum of its proper divisors (296376453199).

10555380357881 is an equidigital number, since it uses as much as digits as its factorization.

10555380357881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291997483.

The product of its (nonzero) digits is 20160000, while the sum is 59.

The spelling of 10555380357881 in words is "ten trillion, five hundred fifty-five billion, three hundred eighty million, three hundred fifty-seven thousand, eight hundred eighty-one".