1136111361 has 32 divisors (see below), whose sum is σ = 1892299776. Its totient is φ = 589032000.

The previous prime is 1136111351. The next prime is 1136111363. The reversal of 1136111361 is 1631116311.

It is not a de Polignac number, because 1136111361 - 2⁶ = 1136111297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1136111363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120426 + ... + 129516.

It is an arithmetic number, because the mean of its divisors is an integer number (59134368).

Almost surely, 2^1136111361 is an apocalyptic number.

1136111361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1136111361 is a deficient number, since it is larger than the sum of its proper divisors (756188415).

1136111361 is a wasteful number, since it uses less digits than its factorization.

1136111361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653.

The product of its digits is 324, while the sum is 24.

The square root of 1136111361 is about 33706.2510671240. The cubic root of 1136111361 is about 1043.4547833206.

Adding to 1136111361 its reverse (1631116311), we get a palindrome (2767227672).

It can be divided in two parts, 11361 and 11361, that added together give a palindrome (22722).

The spelling of 1136111361 in words is "one billion, one hundred thirty-six million, one hundred eleven thousand, three hundred sixty-one".