1103553956 has 12 divisors (see below), whose sum is σ = 1945962480. Its totient is φ = 547564680.

The previous prime is 1103553931. The next prime is 1103553959. The reversal of 1103553956 is 6593553011.

It is not an unprimeable number, because it can be changed into a prime (1103553959) 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, 1052486 + ... + 1053533.

It is an arithmetic number, because the mean of its divisors is an integer number (162163540).

Almost surely, 2^1103553956 is an apocalyptic number.

It is an amenable number.

1103553956 is a deficient number, since it is larger than the sum of its proper divisors (842408524).

1103553956 is a wasteful number, since it uses less digits than its factorization.

1103553956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106154 (or 2106152 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 1103553956 is about 33219.7826001315. The cubic root of 1103553956 is about 1033.3906409655.

The spelling of 1103553956 in words is "one billion, one hundred three million, five hundred fifty-three thousand, nine hundred fifty-six".