126250137500 has 36 divisors (see below), whose sum is σ = 276154528104. Its totient is φ = 50500050000.

The previous prime is 126250137479. The next prime is 126250137529. The reversal of 126250137500 is 5731052621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5037506 + ... + 5062505.

It is an arithmetic number, because the mean of its divisors is an integer number (7670959114).

Almost surely, 2^126250137500 is an apocalyptic number.

126250137500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126250137500 is an abundant number, since it is smaller than the sum of its proper divisors (149904390604).

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

126250137500 is an equidigital number, since it uses as much as digits as its factorization.

126250137500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100040 (or 10100018 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 126250137500 in words is "one hundred twenty-six billion, two hundred fifty million, one hundred thirty-seven thousand, five hundred".