1153455405 has 48 divisors (see below), whose sum is σ = 1961707776. Its totient is φ = 578540160.

The previous prime is 1153455361. The next prime is 1153455431. The reversal of 1153455405 is 5045543511.

It is not a de Polignac number, because 1153455405 - 2⁹ = 1153454893 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482844 + ... + 485226.

It is an arithmetic number, because the mean of its divisors is an integer number (40868912).

Almost surely, 2^1153455405 is an apocalyptic number.

1153455405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153455405 is a deficient number, since it is larger than the sum of its proper divisors (808252371).

1153455405 is a wasteful number, since it uses less digits than its factorization.

1153455405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1153455405 is about 33962.5588700263. The cubic root of 1153455405 is about 1048.7378348811.

Adding to 1153455405 its reverse (5045543511), we get a palindrome (6198998916).

The spelling of 1153455405 in words is "one billion, one hundred fifty-three million, four hundred fifty-five thousand, four hundred five".