126105545505264 has 80 divisors (see below), whose sum is σ = 350835560232864. Its totient is φ = 38801323008000.

The previous prime is 126105545505263. The next prime is 126105545505301. The reversal of 126105545505264 is 462505545501621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126105545505263) 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, 65798964 + ... + 67688364.

Almost surely, 2^{126105545505264} is an apocalyptic number.

It is an amenable number.

126105545505264 is an abundant number, since it is smaller than the sum of its proper divisors (224730014727600).

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

126105545505264 is a wasteful number, since it uses less digits than its factorization.

126105545505264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996386 (or 1996380 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 126105545505264 in words is "one hundred twenty-six trillion, one hundred five billion, five hundred forty-five million, five hundred five thousand, two hundred sixty-four".