11153011455 has 48 divisors (see below), whose sum is σ = 19436953536. Its totient is φ = 5916049920.

The previous prime is 11153011451. The next prime is 11153011531. The reversal of 11153011455 is 55411035111.

11153011455 is a `hidden beast` number, since 1 + 11 + 530 + 114 + 5 + 5 = 666.

It is not a de Polignac number, because 11153011455 - 2² = 11153011451 is a prime.

It is a super-2 number, since 2×11153011455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153011451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8442195 + ... + 8443515.

It is an arithmetic number, because the mean of its divisors is an integer number (404936532).

Almost surely, 2^11153011455 is an apocalyptic number.

11153011455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11153011455 is a deficient number, since it is larger than the sum of its proper divisors (8283942081).

11153011455 is a wasteful number, since it uses less digits than its factorization.

11153011455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 11153011455 its reverse (55411035111), we get a palindrome (66564046566).

The spelling of 11153011455 in words is "eleven billion, one hundred fifty-three million, eleven thousand, four hundred fifty-five".