15253052555242 has 16 divisors (see below), whose sum is σ = 23875591796352. Its totient is φ = 7294556641680.

The previous prime is 15253052555197. The next prime is 15253052555243. The reversal of 15253052555242 is 24255525035251.

It is a happy number.

It is a super-2 number, since 2×15253052555242² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 15253052555192 and 15253052555201.

It is not an unprimeable number, because it can be changed into a prime (15253052555243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7781238 + ... + 9542209.

It is an arithmetic number, because the mean of its divisors is an integer number (1492224487272).

Almost surely, 2^{15253052555242} is an apocalyptic number.

15253052555242 is a deficient number, since it is larger than the sum of its proper divisors (8622539241110).

15253052555242 is a wasteful number, since it uses less digits than its factorization.

15253052555242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342613.

The product of its (nonzero) digits is 3000000, while the sum is 46.

The spelling of 15253052555242 in words is "fifteen trillion, two hundred fifty-three billion, fifty-two million, five hundred fifty-five thousand, two hundred forty-two".