1103156395 has 24 divisors (see below), whose sum is σ = 1473554880. Its totient is φ = 792105600.

The previous prime is 1103156387. The next prime is 1103156399. The reversal of 1103156395 is 5936513011.

It is a happy number.

It is not a de Polignac number, because 1103156395 - 2³ = 1103156387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103156395.

It is not an unprimeable number, because it can be changed into a prime (1103156399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36255 + ... + 59335.

It is an arithmetic number, because the mean of its divisors is an integer number (61398120).

Almost surely, 2^1103156395 is an apocalyptic number.

1103156395 is a deficient number, since it is larger than the sum of its proper divisors (370398485).

1103156395 is a wasteful number, since it uses less digits than its factorization.

1103156395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187 (or 23176 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 1103156395 is about 33213.7982621681. The cubic root of 1103156395 is about 1033.2665312926.

The spelling of 1103156395 in words is "one billion, one hundred three million, one hundred fifty-six thousand, three hundred ninety-five".