1140372855 has 12 divisors (see below), whose sum is σ = 1976646360. Its totient is φ = 608198832.

The previous prime is 1140372839. The next prime is 1140372899. The reversal of 1140372855 is 5582730411.

It is not a de Polignac number, because 1140372855 - 2⁴ = 1140372839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12670765 + ... + 12670854.

It is an arithmetic number, because the mean of its divisors is an integer number (164720530).

Almost surely, 2^1140372855 is an apocalyptic number.

1140372855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140372855 is a deficient number, since it is larger than the sum of its proper divisors (836273505).

1140372855 is a wasteful number, since it uses less digits than its factorization.

1140372855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25341630 (or 25341627 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1140372855 is about 33769.4070868886. The cubic root of 1140372855 is about 1044.7578035050.

The spelling of 1140372855 in words is "one billion, one hundred forty million, three hundred seventy-two thousand, eight hundred fifty-five".