126800000265 has 64 divisors (see below), whose sum is σ = 218067282432. Its totient is φ = 62687232000.

The previous prime is 126800000263. The next prime is 126800000291. The reversal of 126800000265 is 562000008621.

It is not a de Polignac number, because 126800000265 - 2¹ = 126800000263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126800000263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14161540 + ... + 14170490.

It is an arithmetic number, because the mean of its divisors is an integer number (3407301288).

Almost surely, 2^126800000265 is an apocalyptic number.

126800000265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126800000265 is a deficient number, since it is larger than the sum of its proper divisors (91267282167).

126800000265 is a wasteful number, since it uses less digits than its factorization.

126800000265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 126800000265 its reverse (562000008621), we get a palindrome (688800008886).

The spelling of 126800000265 in words is "one hundred twenty-six billion, eight hundred million, two hundred sixty-five", and thus it is an aban number.