125553552201 has 64 divisors (see below), whose sum is σ = 237558988800. Its totient is φ = 63631785600.

The previous prime is 125553552199. The next prime is 125553552217. The reversal of 125553552201 is 102255355521.

125553552201 is a `hidden beast` number, since 1 + 2 + 55 + 53 + 552 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 125553552201 - 2¹ = 125553552199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125553552221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 651241 + ... + 821718.

It is an arithmetic number, because the mean of its divisors is an integer number (3711859200).

Almost surely, 2^125553552201 is an apocalyptic number.

125553552201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125553552201 is a deficient number, since it is larger than the sum of its proper divisors (112005436599).

125553552201 is a wasteful number, since it uses less digits than its factorization.

125553552201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473027 (or 1473021 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 125553552201 in words is "one hundred twenty-five billion, five hundred fifty-three million, five hundred fifty-two thousand, two hundred one".