1155261440315 has 8 divisors (see below), whose sum is σ = 1415809765440. Its totient is φ = 904545127552.

The previous prime is 1155261440303. The next prime is 1155261440369. The reversal of 1155261440315 is 5130441625511.

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 1155261440315 - 2⁴ = 1155261440299 is a prime.

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, 2458002830 + ... + 2458003299.

It is an arithmetic number, because the mean of its divisors is an integer number (176976220680).

Almost surely, 2^{1155261440315} is an apocalyptic number.

1155261440315 is a deficient number, since it is larger than the sum of its proper divisors (260548325125).

1155261440315 is an equidigital number, since it uses as much as digits as its factorization.

1155261440315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916006181.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 1155261440315 in words is "one trillion, one hundred fifty-five billion, two hundred sixty-one million, four hundred forty thousand, three hundred fifteen".