1131114078 has 16 divisors (see below), whose sum is σ = 2513586960. Its totient is φ = 377038008.

The previous prime is 1131114073. The next prime is 1131114107. The reversal of 1131114078 is 8704111311.

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 (1131114071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473225 + ... + 10473332.

It is an arithmetic number, because the mean of its divisors is an integer number (157099185).

Almost surely, 2^1131114078 is an apocalyptic number.

1131114078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1131114078 is an abundant number, since it is smaller than the sum of its proper divisors (1382472882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131114078 is a wasteful number, since it uses less digits than its factorization.

1131114078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946568 (or 20946562 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 1131114078 is about 33632.0394564469. The cubic root of 1131114078 is about 1041.9226263062.

Adding to 1131114078 its reverse (8704111311), we get a palindrome (9835225389).

The spelling of 1131114078 in words is "one billion, one hundred thirty-one million, one hundred fourteen thousand, seventy-eight".