126043564015 has 32 divisors (see below), whose sum is σ = 163010931840. Its totient is φ = 93217689600.

The previous prime is 126043564013. The next prime is 126043564021. The reversal of 126043564015 is 510465340621.

It is not a de Polignac number, because 126043564015 - 2¹ = 126043564013 is a prime.

It is a super-3 number, since 3×126043564015³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126043564013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584595 + ... + 1662235.

It is an arithmetic number, because the mean of its divisors is an integer number (5094091620).

Almost surely, 2^126043564015 is an apocalyptic number.

126043564015 is a deficient number, since it is larger than the sum of its proper divisors (36967367825).

126043564015 is a wasteful number, since it uses less digits than its factorization.

126043564015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78003.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 126043564015 in words is "one hundred twenty-six billion, forty-three million, five hundred sixty-four thousand, fifteen".