11514655021155 has 128 divisors (see below), whose sum is σ = 22455255352320. Its totient is φ = 4961359656960.

The previous prime is 11514655021153. The next prime is 11514655021183. The reversal of 11514655021155 is 55112055641511.

It is not a de Polignac number, because 11514655021155 - 2¹ = 11514655021153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11514655021153) 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 127 ways as a sum of consecutive naturals, for example, 21318409 + ... + 21851861.

It is an arithmetic number, because the mean of its divisors is an integer number (175431682440).

Almost surely, 2^{11514655021155} is an apocalyptic number.

11514655021155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11514655021155 is a deficient number, since it is larger than the sum of its proper divisors (10940600331165).

11514655021155 is a wasteful number, since it uses less digits than its factorization.

11514655021155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533861.

The product of its (nonzero) digits is 150000, while the sum is 42.

The spelling of 11514655021155 in words is "eleven trillion, five hundred fourteen billion, six hundred fifty-five million, twenty-one thousand, one hundred fifty-five".