2155313532010 has 32 divisors (see below), whose sum is σ = 3908798467200. Its totient is φ = 855638417088.

The previous prime is 2155313531983. The next prime is 2155313532013. The reversal of 2155313532010 is 102353135512.

It is not an unprimeable number, because it can be changed into a prime (2155313532013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230889 + ... + 2413651.

It is an arithmetic number, because the mean of its divisors is an integer number (122149952100).

Almost surely, 2^{2155313532010} is an apocalyptic number.

2155313532010 is a deficient number, since it is larger than the sum of its proper divisors (1753484935190).

2155313532010 is a wasteful number, since it uses less digits than its factorization.

2155313532010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184142.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 2155313532010 its reverse (102353135512), we get a palindrome (2257666667522).

The spelling of 2155313532010 in words is "two trillion, one hundred fifty-five billion, three hundred thirteen million, five hundred thirty-two thousand, ten".