1260322043555 has 8 divisors (see below), whose sum is σ = 1514046596544. Its totient is φ = 1007150872000.

The previous prime is 1260322043543. The next prime is 1260322043663. The reversal of 1260322043555 is 5553402230621.

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

It is not a de Polignac number, because 1260322043555 - 2¹⁰ = 1260322042531 is a prime.

It is a Duffinian number.

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, 138340346 + ... + 138349455.

It is an arithmetic number, because the mean of its divisors is an integer number (189255824568).

Almost surely, 2^{1260322043555} is an apocalyptic number.

1260322043555 is a deficient number, since it is larger than the sum of its proper divisors (253724552989).

1260322043555 is an equidigital number, since it uses as much as digits as its factorization.

1260322043555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276690717.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1260322043555 in words is "one trillion, two hundred sixty billion, three hundred twenty-two million, forty-three thousand, five hundred fifty-five".