126356555607 has 16 divisors (see below), whose sum is σ = 172630698240. Its totient is φ = 82165450752.

The previous prime is 126356555593. The next prime is 126356555617. The reversal of 126356555607 is 706555653621.

It is not a de Polignac number, because 126356555607 - 2⁶ = 126356555543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126356555607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126356555617) 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, 579882 + ... + 767447.

It is an arithmetic number, because the mean of its divisors is an integer number (10789418640).

Almost surely, 2^126356555607 is an apocalyptic number.

126356555607 is a deficient number, since it is larger than the sum of its proper divisors (46274142633).

126356555607 is a wasteful number, since it uses less digits than its factorization.

126356555607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348102.

The product of its (nonzero) digits is 5670000, while the sum is 51.

The spelling of 126356555607 in words is "one hundred twenty-six billion, three hundred fifty-six million, five hundred fifty-five thousand, six hundred seven".