126266253315 has 64 divisors (see below), whose sum is σ = 217287221760. Its totient is φ = 62486645760.

The previous prime is 126266253313. The next prime is 126266253341. The reversal of 126266253315 is 513352662621.

It is a happy number.

It is not a de Polignac number, because 126266253315 - 2¹ = 126266253313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126266253313) 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, 1142112 + ... + 1247778.

It is an arithmetic number, because the mean of its divisors is an integer number (3395112840).

Almost surely, 2^126266253315 is an apocalyptic number.

126266253315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126266253315 is a deficient number, since it is larger than the sum of its proper divisors (91020968445).

126266253315 is a wasteful number, since it uses less digits than its factorization.

126266253315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105812.

The product of its digits is 388800, while the sum is 42.

The spelling of 126266253315 in words is "one hundred twenty-six billion, two hundred sixty-six million, two hundred fifty-three thousand, three hundred fifteen".