1153534455 has 12 divisors (see below), whose sum is σ = 1999459800. Its totient is φ = 615218352.

The previous prime is 1153534411. The next prime is 1153534457. The reversal of 1153534455 is 5544353511.

1153534455 is a `hidden beast` number, since 1 + 153 + 53 + 4 + 455 = 666.

It is not a de Polignac number, because 1153534455 - 2¹⁶ = 1153468919 is a prime.

It is a super-4 number, since 4×1153534455⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153534457) 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, 12817005 + ... + 12817094.

It is an arithmetic number, because the mean of its divisors is an integer number (166621650).

Almost surely, 2^1153534455 is an apocalyptic number.

1153534455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153534455 is a deficient number, since it is larger than the sum of its proper divisors (845925345).

1153534455 is a wasteful number, since it uses less digits than its factorization.

1153534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634110 (or 25634107 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 1153534455 is about 33963.7226316551. The cubic root of 1153534455 is about 1048.7617921235.

Adding to 1153534455 its reverse (5544353511), we get a palindrome (6697887966).

The spelling of 1153534455 in words is "one billion, one hundred fifty-three million, five hundred thirty-four thousand, four hundred fifty-five".