1115555425403 has 4 divisors (see below), whose sum is σ = 1115643714960. Its totient is φ = 1115467135848.

The previous prime is 1115555425393. The next prime is 1115555425429. The reversal of 1115555425403 is 3045245555111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1115555425403 - 2³⁶ = 1046835948667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115555427403) 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, 44125823 + ... + 44151096.

It is an arithmetic number, because the mean of its divisors is an integer number (278910928740).

Almost surely, 2^{1115555425403} is an apocalyptic number.

1115555425403 is a deficient number, since it is larger than the sum of its proper divisors (88289557).

1115555425403 is an equidigital number, since it uses as much as digits as its factorization.

1115555425403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88289556.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 1115555425403 in words is "one trillion, one hundred fifteen billion, five hundred fifty-five million, four hundred twenty-five thousand, four hundred three".