11454261151555 has 16 divisors (see below), whose sum is σ = 14213476884384. Its totient is φ = 8856327617280.

The previous prime is 11454261151547. The next prime is 11454261151559. The reversal of 11454261151555 is 55515116245411.

It is not a de Polignac number, because 11454261151555 - 2³ = 11454261151547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11454261151559) 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 15 ways as a sum of consecutive naturals, for example, 322546626 + ... + 322582135.

It is an arithmetic number, because the mean of its divisors is an integer number (888342305274).

Almost surely, 2^{11454261151555} is an apocalyptic number.

11454261151555 is a deficient number, since it is larger than the sum of its proper divisors (2759215732829).

11454261151555 is an equidigital number, since it uses as much as digits as its factorization.

11454261151555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645128886.

The product of its digits is 600000, while the sum is 46.

Adding to 11454261151555 its reverse (55515116245411), we get a palindrome (66969377396966).

The spelling of 11454261151555 in words is "eleven trillion, four hundred fifty-four billion, two hundred sixty-one million, one hundred fifty-one thousand, five hundred fifty-five".