1115115040401 has 4 divisors (see below), whose sum is σ = 1486820053872. Its totient is φ = 743410026932.

The previous prime is 1115115040387. The next prime is 1115115040499. The reversal of 1115115040401 is 1040405115111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1115115040401 - 2¹⁰ = 1115115039377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115115040801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185852506731 + ... + 185852506736.

It is an arithmetic number, because the mean of its divisors is an integer number (371705013468).

Almost surely, 2^{1115115040401} is an apocalyptic number.

It is an amenable number.

1115115040401 is a deficient number, since it is larger than the sum of its proper divisors (371705013471).

1115115040401 is an equidigital number, since it uses as much as digits as its factorization.

1115115040401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371705013470.

The product of its (nonzero) digits is 400, while the sum is 24.

The spelling of 1115115040401 in words is "one trillion, one hundred fifteen billion, one hundred fifteen million, forty thousand, four hundred one".