126209334485 has 16 divisors (see below), whose sum is σ = 163813545840. Its totient is φ = 92793738240.

The previous prime is 126209334413. The next prime is 126209334497. The reversal of 126209334485 is 584433902621.

It can be written as a sum of positive squares in 8 ways, for example, as 3623919601 + 122585414884 = 60199^2 + 350122^2 .

It is not a de Polignac number, because 126209334485 - 2³⁶ = 57489857749 is a prime.

It is a super-2 number, since 2×126209334485² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 4224596 + ... + 4254365.

It is an arithmetic number, because the mean of its divisors is an integer number (10238346615).

Almost surely, 2^126209334485 is an apocalyptic number.

It is an amenable number.

126209334485 is a deficient number, since it is larger than the sum of its proper divisors (37604211355).

126209334485 is a wasteful number, since it uses less digits than its factorization.

126209334485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479208.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 126209334485 in words is "one hundred twenty-six billion, two hundred nine million, three hundred thirty-four thousand, four hundred eighty-five".