126100115065519 has 16 divisors (see below), whose sum is σ = 151030001512000. Its totient is φ = 105164574715872.

The previous prime is 126100115065469. The next prime is 126100115065541. The reversal of 126100115065519 is 915560511001621.

It is not a de Polignac number, because 126100115065519 - 2¹⁵ = 126100115032751 is a prime.

It is a super-2 number, since 2×126100115065519² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126100115065559) 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, 4968079464 + ... + 4968104845.

It is an arithmetic number, because the mean of its divisors is an integer number (9439375094500).

Almost surely, 2^{126100115065519} is an apocalyptic number.

126100115065519 is a deficient number, since it is larger than the sum of its proper divisors (24929886446481).

126100115065519 is an frugal number, since it uses more digits than its factorization.

126100115065519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936184367 (or 9936184353 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 43.

The spelling of 126100115065519 in words is "one hundred twenty-six trillion, one hundred billion, one hundred fifteen million, sixty-five thousand, five hundred nineteen".