5521555551115 has 8 divisors (see below), whose sum is σ = 6625918641888. Its totient is φ = 4417209787200.

The previous prime is 5521555551067. The next prime is 5521555551163. The reversal of 5521555551115 is 5111555551255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5521555551067) and next prime (5521555551163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5521555551115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620007 + ... + 4914016.

It is an arithmetic number, because the mean of its divisors is an integer number (828239830236).

Almost surely, 2^{5521555551115} is an apocalyptic number.

5521555551115 is a deficient number, since it is larger than the sum of its proper divisors (1104363090773).

5521555551115 is a wasteful number, since it uses less digits than its factorization.

5521555551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663429.

The product of its digits is 781250, while the sum is 46.

The spelling of 5521555551115 in words is "five trillion, five hundred twenty-one billion, five hundred fifty-five million, five hundred fifty-one thousand, one hundred fifteen".