15203274949142 has 16 divisors (see below), whose sum is σ = 27595860412320. Its totient is φ = 6132413424768.

The previous prime is 15203274949141. The next prime is 15203274949151. The reversal of 15203274949142 is 24194947230251.

15203274949142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15203274949142² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15203274949141) 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, 31939653017 + ... + 31939653492.

It is an arithmetic number, because the mean of its divisors is an integer number (1724741275770).

Almost surely, 2^{15203274949142} is an apocalyptic number.

15203274949142 is a deficient number, since it is larger than the sum of its proper divisors (12392585463178).

15203274949142 is a wasteful number, since it uses less digits than its factorization.

15203274949142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63879306535.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 15203274949142 in words is "fifteen trillion, two hundred three billion, two hundred seventy-four million, nine hundred forty-nine thousand, one hundred forty-two".