1153854911 has 12 divisors (see below), whose sum is σ = 1273761216. Its totient is φ = 1044431520.

The previous prime is 1153854901. The next prime is 1153854913. The reversal of 1153854911 is 1194583511.

It is not a de Polignac number, because 1153854911 - 2¹⁰ = 1153853887 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 (1153854913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7730 + ... + 48656.

It is an arithmetic number, because the mean of its divisors is an integer number (106146768).

Almost surely, 2^1153854911 is an apocalyptic number.

1153854911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1153854911 is a deficient number, since it is larger than the sum of its proper divisors (119906305).

1153854911 is a wasteful number, since it uses less digits than its factorization.

1153854911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41182 (or 41171 counting only the distinct ones).

The product of its digits is 21600, while the sum is 38.

The square root of 1153854911 is about 33968.4399259077. The cubic root of 1153854911 is about 1048.8588997248.

The spelling of 1153854911 in words is "one billion, one hundred fifty-three million, eight hundred fifty-four thousand, nine hundred eleven".