1114905561 has 16 divisors (see below), whose sum is σ = 1853349888. Its totient is φ = 579171600.

The previous prime is 1114905559. The next prime is 1114905563. The reversal of 1114905561 is 1655094111.

It is an interprime number because it is at equal distance from previous prime (1114905559) and next prime (1114905563).

It is not a de Polignac number, because 1114905561 - 2¹ = 1114905559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1114905563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2412985 + ... + 2413446.

It is an arithmetic number, because the mean of its divisors is an integer number (115834368).

Almost surely, 2^1114905561 is an apocalyptic number.

1114905561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1114905561 is a deficient number, since it is larger than the sum of its proper divisors (738444327).

1114905561 is a wasteful number, since it uses less digits than its factorization.

1114905561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826452.

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 1114905561 is about 33390.2015717186. The cubic root of 1114905561 is about 1036.9218528715.

Adding to 1114905561 its reverse (1655094111), we get a palindrome (2769999672).

The spelling of 1114905561 in words is "one billion, one hundred fourteen million, nine hundred five thousand, five hundred sixty-one".