15727452075 has 54 divisors (see below), whose sum is σ = 29231100444. Its totient is φ = 8382761280.

The previous prime is 15727452067. The next prime is 15727452109. The reversal of 15727452075 is 57025472751.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

15727452075 is a `hidden beast` number, since 1 + 57 + 2 + 7 + 4 + 520 + 75 = 666.

It is not a de Polignac number, because 15727452075 - 2³ = 15727452067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15727452075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 9773871 + ... + 9775479.

Almost surely, 2^15727452075 is an apocalyptic number.

15727452075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15727452075 is a deficient number, since it is larger than the sum of its proper divisors (13503648369).

15727452075 is an frugal number, since it uses more digits than its factorization.

15727452075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 15727452075 in words is "fifteen billion, seven hundred twenty-seven million, four hundred fifty-two thousand, seventy-five".