5521521805102 has 4 divisors (see below), whose sum is σ = 8282282707656. Its totient is φ = 2760760902550.

The previous prime is 5521521805043. The next prime is 5521521805139. The reversal of 5521521805102 is 2015081251255.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380380451274 + ... + 1380380451277.

It is an arithmetic number, because the mean of its divisors is an integer number (2070570676914).

Almost surely, 2^{5521521805102} is an apocalyptic number.

5521521805102 is a deficient number, since it is larger than the sum of its proper divisors (2760760902554).

5521521805102 is a wasteful number, since it uses less digits than its factorization.

5521521805102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760760902553.

The product of its (nonzero) digits is 40000, while the sum is 37.

The spelling of 5521521805102 in words is "five trillion, five hundred twenty-one billion, five hundred twenty-one million, eight hundred five thousand, one hundred two".