126505533132 has 48 divisors (see below), whose sum is σ = 357793430400. Its totient is φ = 38335009680.

The previous prime is 126505533113. The next prime is 126505533151. The reversal of 126505533132 is 231335505621.

126505533132 is a `hidden beast` number, since 1 + 26 + 50 + 553 + 3 + 1 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (126505533113) and next prime (126505533151).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53241882 + ... + 53244257.

It is an arithmetic number, because the mean of its divisors is an integer number (7454029800).

Almost surely, 2^126505533132 is an apocalyptic number.

126505533132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126505533132 is an abundant number, since it is smaller than the sum of its proper divisors (231287897268).

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

126505533132 is a wasteful number, since it uses less digits than its factorization.

126505533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106486163 (or 106486155 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 126505533132 in words is "one hundred twenty-six billion, five hundred five million, five hundred thirty-three thousand, one hundred thirty-two".