2601603126512 has 20 divisors (see below), whose sum is σ = 5428344985560. Its totient is φ = 1200739904448.

The previous prime is 2601603126503. The next prime is 2601603126539. The reversal of 2601603126512 is 2156213061062.

It is a super-2 number, since 2×2601603126512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253853462 + ... + 6253853877.

It is an arithmetic number, because the mean of its divisors is an integer number (271417249278).

Almost surely, 2^{2601603126512} is an apocalyptic number.

It is an amenable number.

2601603126512 is an abundant number, since it is smaller than the sum of its proper divisors (2826741859048).

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

2601603126512 is a wasteful number, since it uses less digits than its factorization.

2601603126512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507707360 (or 12507707354 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 2601603126512 its reverse (2156213061062), we get a palindrome (4757816187574).

The spelling of 2601603126512 in words is "two trillion, six hundred one billion, six hundred three million, one hundred twenty-six thousand, five hundred twelve".