1105542155 has 16 divisors (see below), whose sum is σ = 1348613280. Its totient is φ = 869887488.

The previous prime is 1105542073. The next prime is 1105542197. The reversal of 1105542155 is 5512455011.

It is a cyclic number.

It is not a de Polignac number, because 1105542155 - 2²⁴ = 1088764939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89219 + ... + 100851.

It is an arithmetic number, because the mean of its divisors is an integer number (84288330).

Almost surely, 2^1105542155 is an apocalyptic number.

1105542155 is a deficient number, since it is larger than the sum of its proper divisors (243071125).

1105542155 is a wasteful number, since it uses less digits than its factorization.

1105542155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1105542155 is about 33249.6940587429. The cubic root of 1105542155 is about 1034.0108654658.

Adding to 1105542155 its reverse (5512455011), we get a palindrome (6617997166).

The spelling of 1105542155 in words is "one billion, one hundred five million, five hundred forty-two thousand, one hundred fifty-five".