1103663151 has 20 divisors (see below), whose sum is σ = 1650105072. Its totient is φ = 735140448.

The previous prime is 1103663123. The next prime is 1103663159. The reversal of 1103663151 is 1513663011.

It is not a de Polignac number, because 1103663151 - 2¹⁵ = 1103630383 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103663159) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100315 + ... + 110771.

Almost surely, 2^1103663151 is an apocalyptic number.

1103663151 is a deficient number, since it is larger than the sum of its proper divisors (546441921).

1103663151 is a wasteful number, since it uses less digits than its factorization.

1103663151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772 (or 11763 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1103663151 is about 33221.4260831771. The cubic root of 1103663151 is about 1033.4247239900.

The spelling of 1103663151 in words is "one billion, one hundred three million, six hundred sixty-three thousand, one hundred fifty-one".