126542512533 has 16 divisors (see below), whose sum is σ = 176286983040. Its totient is φ = 80589351744.

The previous prime is 126542512531. The next prime is 126542512567. The reversal of 126542512533 is 335215245621.

It is not a de Polignac number, because 126542512533 - 2¹ = 126542512531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126542512491 and 126542512500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126542512531) 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, 1132918 + ... + 1239591.

It is an arithmetic number, because the mean of its divisors is an integer number (11017936440).

Almost surely, 2^126542512533 is an apocalyptic number.

It is an amenable number.

126542512533 is a deficient number, since it is larger than the sum of its proper divisors (49744470507).

126542512533 is a wasteful number, since it uses less digits than its factorization.

126542512533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373308.

The product of its digits is 216000, while the sum is 39.

The spelling of 126542512533 in words is "one hundred twenty-six billion, five hundred forty-two million, five hundred twelve thousand, five hundred thirty-three".