2015145513001 has 16 divisors (see below), whose sum is σ = 2186521722000. Its totient is φ = 1849673963520.

The previous prime is 2015145512987. The next prime is 2015145513041. The reversal of 2015145513001 is 1003155415102.

It can be written as a sum of positive squares in 8 ways, for example, as 150118277401 + 1865027235600 = 387451^2 + 1365660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015145513001 - 2¹⁷ = 2015145381929 is a prime.

It is a super-2 number, since 2×2015145513001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015145513041) 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, 1390195 + ... + 2441911.

It is an arithmetic number, because the mean of its divisors is an integer number (136657607625).

Almost surely, 2^{2015145513001} is an apocalyptic number.

It is an amenable number.

2015145513001 is a deficient number, since it is larger than the sum of its proper divisors (171376208999).

2015145513001 is a wasteful number, since it uses less digits than its factorization.

2015145513001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054524.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 2015145513001 in words is "two trillion, fifteen billion, one hundred forty-five million, five hundred thirteen thousand, one".