126516652100 has 36 divisors (see below), whose sum is σ = 274986230484. Its totient is φ = 50524615680.

The previous prime is 126516652099. The next prime is 126516652127. The reversal of 126516652100 is 1256615621.

It can be written as a sum of positive squares in 6 ways, for example, as 45419281924 + 81097370176 = 213118^2 + 284776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963557 + ... + 1086956.

Almost surely, 2^126516652100 is an apocalyptic number.

126516652100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126516652100 is an abundant number, since it is smaller than the sum of its proper divisors (148469578384).

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

126516652100 is a wasteful number, since it uses less digits than its factorization.

126516652100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051144 (or 2051137 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 126516652100 in words is "one hundred twenty-six billion, five hundred sixteen million, six hundred fifty-two thousand, one hundred".