15013455542 has 16 divisors (see below), whose sum is σ = 23231011632. Its totient is φ = 7273458720.

The previous prime is 15013455521. The next prime is 15013455557. The reversal of 15013455542 is 24555431051.

It is a super-2 number, since 2×15013455542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 910193 + ... + 926540.

It is an arithmetic number, because the mean of its divisors is an integer number (1451938227).

Almost surely, 2^15013455542 is an apocalyptic number.

15013455542 is a deficient number, since it is larger than the sum of its proper divisors (8217556090).

15013455542 is a wasteful number, since it uses less digits than its factorization.

15013455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836863.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 15013455542 its reverse (24555431051), we get a palindrome (39568886593).

The spelling of 15013455542 in words is "fifteen billion, thirteen million, four hundred fifty-five thousand, five hundred forty-two".