5521515715155 has 32 divisors (see below), whose sum is σ = 9639205804800. Its totient is φ = 2676639889280.

The previous prime is 5521515715147. The next prime is 5521515715193. The reversal of 5521515715155 is 5515175151255.

It is not a de Polignac number, because 5521515715155 - 2³ = 5521515715147 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1899480 + ... + 3827669.

It is an arithmetic number, because the mean of its divisors is an integer number (301225181400).

Almost surely, 2^{5521515715155} is an apocalyptic number.

5521515715155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5521515715155 is a deficient number, since it is larger than the sum of its proper divisors (4117690089645).

5521515715155 is a wasteful number, since it uses less digits than its factorization.

5521515715155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733011.

The product of its digits is 1093750, while the sum is 48.

The spelling of 5521515715155 in words is "five trillion, five hundred twenty-one billion, five hundred fifteen million, seven hundred fifteen thousand, one hundred fifty-five".