1115545063 has 4 divisors (see below), whose sum is σ = 1116607528. Its totient is φ = 1114482600.

The previous prime is 1115545033. The next prime is 1115545069. The reversal of 1115545063 is 3605455111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3605455111 = 14369 ⋅250919.

It is a cyclic number.

It is not a de Polignac number, because 1115545063 - 2⁵ = 1115545031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115545069) 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, 529656 + ... + 531757.

It is an arithmetic number, because the mean of its divisors is an integer number (279151882).

Almost surely, 2^1115545063 is an apocalyptic number.

1115545063 is a deficient number, since it is larger than the sum of its proper divisors (1062465).

1115545063 is a wasteful number, since it uses less digits than its factorization.

1115545063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062464.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1115545063 is about 33399.7763914671. The cubic root of 1115545063 is about 1037.1200720082.

The spelling of 1115545063 in words is "one billion, one hundred fifteen million, five hundred forty-five thousand, sixty-three".