11051113455 has 24 divisors (see below), whose sum is σ = 19168578000. Its totient is φ = 5889830400.

The previous prime is 11051113453. The next prime is 11051113457. The reversal of 11051113455 is 55431115011.

11051113455 is a `hidden beast` number, since 1 + 10 + 511 + 134 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (11051113453) and next prime (11051113457).

It is not a de Polignac number, because 11051113455 - 2¹ = 11051113453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051113453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19330 + ... + 149919.

It is an arithmetic number, because the mean of its divisors is an integer number (798690750).

Almost surely, 2^11051113455 is an apocalyptic number.

11051113455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11051113455 is a deficient number, since it is larger than the sum of its proper divisors (8117464545).

11051113455 is a wasteful number, since it uses less digits than its factorization.

11051113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170711 (or 170708 counting only the distinct ones).

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

Adding to 11051113455 its reverse (55431115011), we get a palindrome (66482228466).

The spelling of 11051113455 in words is "eleven billion, fifty-one million, one hundred thirteen thousand, four hundred fifty-five".