1043201555115 has 16 divisors (see below), whose sum is σ = 1670954697216. Its totient is φ = 555763426400.

The previous prime is 1043201555113. The next prime is 1043201555117. The reversal of 1043201555115 is 5115551023401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1043201555113) and next prime (1043201555117).

It is not a de Polignac number, because 1043201555115 - 2¹ = 1043201555113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043201555111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38156901 + ... + 38184230.

It is an arithmetic number, because the mean of its divisors is an integer number (104434668576).

Almost surely, 2^{1043201555115} is an apocalyptic number.

1043201555115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1043201555115 is a deficient number, since it is larger than the sum of its proper divisors (627753142101).

1043201555115 is an equidigital number, since it uses as much as digits as its factorization.

1043201555115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76342050.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 1043201555115 its reverse (5115551023401), we get a palindrome (6158752578516).

The spelling of 1043201555115 in words is "one trillion, forty-three billion, two hundred one million, five hundred fifty-five thousand, one hundred fifteen".