126534155255065 has 16 divisors (see below), whose sum is σ = 154706907676608. Its totient is φ = 99316734577216.

The previous prime is 126534155255023. The next prime is 126534155255089. The reversal of 126534155255065 is 560552551435621.

It is a cyclic number.

It is not a de Polignac number, because 126534155255065 - 2²¹ = 126534153157913 is a prime.

It is a super-2 number, since 2×126534155255065² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126534155254997 and 126534155255015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41972202 + ... + 44885788.

It is an arithmetic number, because the mean of its divisors is an integer number (9669181729788).

Almost surely, 2^{126534155255065} is an apocalyptic number.

It is an amenable number.

126534155255065 is a deficient number, since it is larger than the sum of its proper divisors (28172752421543).

126534155255065 is a wasteful number, since it uses less digits than its factorization.

126534155255065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077528.

The product of its (nonzero) digits is 27000000, while the sum is 55.

The spelling of 126534155255065 in words is "one hundred twenty-six trillion, five hundred thirty-four billion, one hundred fifty-five million, two hundred fifty-five thousand, sixty-five".