2015522420552 has 32 divisors (see below), whose sum is σ = 3825742583520. Its totient is φ = 995380296960.

The previous prime is 2015522420497. The next prime is 2015522420599. The reversal of 2015522420552 is 2550242255102.

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, 3204974 + ... + 3781917.

It is an arithmetic number, because the mean of its divisors is an integer number (119554455735).

Almost surely, 2^{2015522420552} is an apocalyptic number.

It is an amenable number.

2015522420552 is a deficient number, since it is larger than the sum of its proper divisors (1810220162968).

2015522420552 is a wasteful number, since it uses less digits than its factorization.

2015522420552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987341 (or 6987337 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 2015522420552 its reverse (2550242255102), we get a palindrome (4565764675654).

The spelling of 2015522420552 in words is "two trillion, fifteen billion, five hundred twenty-two million, four hundred twenty thousand, five hundred fifty-two".