126520055144 has 32 divisors (see below), whose sum is σ = 275160895680. Its totient is φ = 53413582464.

The previous prime is 126520055099. The next prime is 126520055147. The reversal of 126520055144 is 441550025621.

It is not an unprimeable number, because it can be changed into a prime (126520055147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16856597 + ... + 16864100.

It is an arithmetic number, because the mean of its divisors is an integer number (8598777990).

Almost surely, 2^126520055144 is an apocalyptic number.

126520055144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126520055144 is an abundant number, since it is smaller than the sum of its proper divisors (148640840536).

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

126520055144 is a wasteful number, since it uses less digits than its factorization.

126520055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33720777 (or 33720773 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 126520055144 in words is "one hundred twenty-six billion, five hundred twenty million, fifty-five thousand, one hundred forty-four".