11256451149099 has 64 divisors (see below), whose sum is σ = 17098934128640. Its totient is φ = 6529658365440.

The previous prime is 11256451149079. The next prime is 11256451149101. The reversal of 11256451149099 is 99094115465211.

It is not a de Polignac number, because 11256451149099 - 2¹⁵ = 11256451116331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (11256451149079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 339227289 + ... + 339260469.

It is an arithmetic number, because the mean of its divisors is an integer number (267170845760).

Almost surely, 2^{11256451149099} is an apocalyptic number.

11256451149099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11256451149099 is a deficient number, since it is larger than the sum of its proper divisors (5842482979541).

11256451149099 is a wasteful number, since it uses less digits than its factorization.

11256451149099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35492.

The product of its (nonzero) digits is 3499200, while the sum is 57.

The spelling of 11256451149099 in words is "eleven trillion, two hundred fifty-six billion, four hundred fifty-one million, one hundred forty-nine thousand, ninety-nine".