126855909136 has 20 divisors (see below), whose sum is σ = 268127262864. Its totient is φ = 57661776800.

The previous prime is 126855909113. The next prime is 126855909161. The reversal of 126855909136 is 631909558621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360385930 + ... + 360386281.

Almost surely, 2^126855909136 is an apocalyptic number.

126855909136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126855909136 is an abundant number, since it is smaller than the sum of its proper divisors (141271353728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126855909136 is a wasteful number, since it uses less digits than its factorization.

126855909136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720772230 (or 720772224 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 126855909136 in words is "one hundred twenty-six billion, eight hundred fifty-five million, nine hundred nine thousand, one hundred thirty-six".