2015435522120 has 16 divisors (see below), whose sum is σ = 4534729924860. Its totient is φ = 806174208832.

The previous prime is 2015435522059. The next prime is 2015435522123. The reversal of 2015435522120 is 212255345102.

It can be written as a sum of positive squares in 2 ways, for example, as 1973243897284 + 42191624836 = 1404722^2 + 205406^2 .

It is not an unprimeable number, because it can be changed into a prime (2015435522123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25192943987 + ... + 25192944066.

Almost surely, 2^{2015435522120} is an apocalyptic number.

2015435522120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015435522120 is an abundant number, since it is smaller than the sum of its proper divisors (2519294402740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015435522120 is a wasteful number, since it uses less digits than its factorization.

2015435522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385888064 (or 50385888060 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 2015435522120 in words is "two trillion, fifteen billion, four hundred thirty-five million, five hundred twenty-two thousand, one hundred twenty".