201544650125 has 96 divisors (see below), whose sum is σ = 328803681024. Its totient is φ = 122023440000.

The previous prime is 201544650119. The next prime is 201544650143. The reversal of 201544650125 is 521056445102.

It is not a de Polignac number, because 201544650125 - 2¹⁶ = 201544584589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1776350 + ... + 1886400.

It is an arithmetic number, because the mean of its divisors is an integer number (3425038344).

Almost surely, 2^201544650125 is an apocalyptic number.

201544650125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201544650125 is a deficient number, since it is larger than the sum of its proper divisors (127259030899).

201544650125 is a wasteful number, since it uses less digits than its factorization.

201544650125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110116 (or 110099 counting only the distinct ones).

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

The spelling of 201544650125 in words is "two hundred one billion, five hundred forty-four million, six hundred fifty thousand, one hundred twenty-five".