126526473645 has 96 divisors (see below), whose sum is σ = 241158798720. Its totient is φ = 55846471680.

The previous prime is 126526473637. The next prime is 126526473649. The reversal of 126526473645 is 546374625621.

It is not a de Polignac number, because 126526473645 - 2³ = 126526473637 is a prime.

It is a super-3 number, since 3×126526473645³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126526473649) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11425171 + ... + 11436239.

It is an arithmetic number, because the mean of its divisors is an integer number (2512070820).

Almost surely, 2^126526473645 is an apocalyptic number.

126526473645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126526473645 is a deficient number, since it is larger than the sum of its proper divisors (114632325075).

126526473645 is a wasteful number, since it uses less digits than its factorization.

126526473645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11247 (or 11174 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 126526473645 in words is "one hundred twenty-six billion, five hundred twenty-six million, four hundred seventy-three thousand, six hundred forty-five".