2015531430010 has 24 divisors (see below), whose sum is σ = 4220276015700. Its totient is φ = 691039347264.

The previous prime is 2015531429981. The next prime is 2015531430053. The reversal of 2015531430010 is 100341355102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1825976556369 + 189554873641 = 1351287^2 + 435379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2056664235 + ... + 2056665214.

Almost surely, 2^{2015531430010} is an apocalyptic number.

2015531430010 is an abundant number, since it is smaller than the sum of its proper divisors (2204744585690).

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

2015531430010 is a wasteful number, since it uses less digits than its factorization.

2015531430010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113329470 (or 4113329463 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 2015531430010 its reverse (100341355102), we get a palindrome (2115872785112).

The spelling of 2015531430010 in words is "two trillion, fifteen billion, five hundred thirty-one million, four hundred thirty thousand, ten".