1155660246255 has 8 divisors (see below), whose sum is σ = 1849056394032. Its totient is φ = 616352131328.

The previous prime is 1155660246199. The next prime is 1155660246269. The reversal of 1155660246255 is 5526420665511.

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 1155660246255 - 2¹⁸ = 1155659984111 is a prime.

It is a congruent 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, 38522008194 + ... + 38522008223.

It is an arithmetic number, because the mean of its divisors is an integer number (231132049254).

Almost surely, 2^{1155660246255} is an apocalyptic number.

1155660246255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155660246255 is a deficient number, since it is larger than the sum of its proper divisors (693396147777).

1155660246255 is an equidigital number, since it uses as much as digits as its factorization.

1155660246255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77044016425.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 1155660246255 in words is "one trillion, one hundred fifty-five billion, six hundred sixty million, two hundred forty-six thousand, two hundred fifty-five".