15742425055 has 8 divisors (see below), whose sum is σ = 21589611552. Its totient is φ = 10794805728.

The previous prime is 15742425043. The next prime is 15742425059. The reversal of 15742425055 is 55052424751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15742425055 - 2²³ = 15734036447 is a prime.

It is a super-2 number, since 2×15742425055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15742424999 and 15742425017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15742425059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224891752 + ... + 224891821.

It is an arithmetic number, because the mean of its divisors is an integer number (2698701444).

Almost surely, 2^15742425055 is an apocalyptic number.

15742425055 is a deficient number, since it is larger than the sum of its proper divisors (5847186497).

15742425055 is an equidigital number, since it uses as much as digits as its factorization.

15742425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449783585.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 15742425055 in words is "fifteen billion, seven hundred forty-two million, four hundred twenty-five thousand, fifty-five".