1131648118 has 16 divisors (see below), whose sum is σ = 1759970304. Its totient is φ = 545152680.

The previous prime is 1131648107. The next prime is 1131648127. The reversal of 1131648118 is 8118461311.

It is a super-3 number, since 3×1131648118³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26130 + ... + 54277.

It is an arithmetic number, because the mean of its divisors is an integer number (109998144).

Almost surely, 2^1131648118 is an apocalyptic number.

1131648118 is a deficient number, since it is larger than the sum of its proper divisors (628322186).

1131648118 is a wasteful number, since it uses less digits than its factorization.

1131648118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80667.

The product of its digits is 4608, while the sum is 34.

The square root of 1131648118 is about 33639.9779726444. The cubic root of 1131648118 is about 1042.0865769996.

The spelling of 1131648118 in words is "one billion, one hundred thirty-one million, six hundred forty-eight thousand, one hundred eighteen".