1111154454 has 12 divisors (see below), whose sum is σ = 2407501356. Its totient is φ = 370384812.

The previous prime is 1111154441. The next prime is 1111154477. The reversal of 1111154454 is 4544511111.

It is a happy number.

1111154454 is a `hidden beast` number, since 1 + 1 + 111 + 544 + 5 + 4 = 666.

1111154454 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30865384 + ... + 30865419.

It is an arithmetic number, because the mean of its divisors is an integer number (200625113).

Almost surely, 2^1111154454 is an apocalyptic number.

1111154454 is an abundant number, since it is smaller than the sum of its proper divisors (1296346902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111154454 is a wasteful number, since it uses less digits than its factorization.

1111154454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61730811 (or 61730808 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 1111154454 is about 33333.9834703265. The cubic root of 1111154454 is about 1035.7576361195.

Adding to 1111154454 its reverse (4544511111), we get a palindrome (5655665565).

The spelling of 1111154454 in words is "one billion, one hundred eleven million, one hundred fifty-four thousand, four hundred fifty-four".