126300551380 has 24 divisors (see below), whose sum is σ = 267965503848. Its totient is φ = 49999392768.

The previous prime is 126300551371. The next prime is 126300551393. The reversal of 126300551380 is 83155003621.

It can be written as a sum of positive squares in 4 ways, for example, as 6919245124 + 119381306256 = 83182^2 + 345516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32549749 + ... + 32553628.

It is an arithmetic number, because the mean of its divisors is an integer number (11165229327).

Almost surely, 2^126300551380 is an apocalyptic number.

126300551380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126300551380 is an abundant number, since it is smaller than the sum of its proper divisors (141664952468).

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

126300551380 is a wasteful number, since it uses less digits than its factorization.

126300551380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65103483 (or 65103481 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 126300551380 in words is "one hundred twenty-six billion, three hundred million, five hundred fifty-one thousand, three hundred eighty".