11454111114555 has 16 divisors (see below), whose sum is σ = 18350286181920. Its totient is φ = 6100956461568.

The previous prime is 11454111114547. The next prime is 11454111114559. The reversal of 11454111114555 is 55541111145411.

It is not a de Polignac number, because 11454111114555 - 2³ = 11454111114547 is a prime.

It is a super-2 number, since 2×11454111114555² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11454111114559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493912990 + ... + 493936179.

It is an arithmetic number, because the mean of its divisors is an integer number (1146892886370).

Almost surely, 2^{11454111114555} is an apocalyptic number.

11454111114555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11454111114555 is a deficient number, since it is larger than the sum of its proper divisors (6896175067365).

11454111114555 is an equidigital number, since it uses as much as digits as its factorization.

11454111114555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987849950.

The product of its digits is 40000, while the sum is 39.

Adding to 11454111114555 its reverse (55541111145411), we get a palindrome (66995222259966).

The spelling of 11454111114555 in words is "eleven trillion, four hundred fifty-four billion, one hundred eleven million, one hundred fourteen thousand, five hundred fifty-five".