1140911455 has 16 divisors (see below), whose sum is σ = 1381143744. Its totient is φ = 904723200.

The previous prime is 1140911437. The next prime is 1140911459. The reversal of 1140911455 is 5541190411.

It is a happy number.

It is not a de Polignac number, because 1140911455 - 2¹⁷ = 1140780383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140911459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419179 + ... + 421891.

It is an arithmetic number, because the mean of its divisors is an integer number (86321484).

Almost surely, 2^1140911455 is an apocalyptic number.

1140911455 is a deficient number, since it is larger than the sum of its proper divisors (240232289).

1140911455 is a wasteful number, since it uses less digits than its factorization.

1140911455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1140911455 is about 33777.3808191221. The cubic root of 1140911455 is about 1044.9222579010.

The spelling of 1140911455 in words is "one billion, one hundred forty million, nine hundred eleven thousand, four hundred fifty-five".