1141158278 has 32 divisors (see below), whose sum is σ = 1958325600. Its totient is φ = 494366976.

The previous prime is 1141158257. The next prime is 1141158301. The reversal of 1141158278 is 8728511411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 43250 + ... + 64442.

It is an arithmetic number, because the mean of its divisors is an integer number (61197675).

Almost surely, 2^1141158278 is an apocalyptic number.

1141158278 is a deficient number, since it is larger than the sum of its proper divisors (817167322).

1141158278 is a wasteful number, since it uses less digits than its factorization.

1141158278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21336.

The product of its digits is 17920, while the sum is 38.

The square root of 1141158278 is about 33781.0342944085. The cubic root of 1141158278 is about 1044.9976047502.

Adding to 1141158278 its reverse (8728511411), we get a palindrome (9869669689).

The spelling of 1141158278 in words is "one billion, one hundred forty-one million, one hundred fifty-eight thousand, two hundred seventy-eight".