1320088487855 has 8 divisors (see below), whose sum is σ = 1584161844000. Its totient is φ = 1056033684576.

The previous prime is 1320088487833. The next prime is 1320088487857. The reversal of 1320088487855 is 5587848800231.

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-1320088487855 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320088487794 and 1320088487803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320088487857) 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, 4481195 + ... + 4766684.

It is an arithmetic number, because the mean of its divisors is an integer number (198020230500).

Almost surely, 2^{1320088487855} is an apocalyptic number.

1320088487855 is a deficient number, since it is larger than the sum of its proper divisors (264073356145).

1320088487855 is an equidigital number, since it uses as much as digits as its factorization.

1320088487855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276433.

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 1320088487855 in words is "one trillion, three hundred twenty billion, eighty-eight million, four hundred eighty-seven thousand, eight hundred fifty-five".