15025535423542 has 32 divisors (see below), whose sum is σ = 26837461002240. Its totient is φ = 6173547848640.

The previous prime is 15025535423533. The next prime is 15025535423629. The reversal of 15025535423542 is 24532453552051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15025535423492 and 15025535423501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161734167 + ... + 161827042.

It is an arithmetic number, because the mean of its divisors is an integer number (838670656320).

Almost surely, 2^{15025535423542} is an apocalyptic number.

15025535423542 is a deficient number, since it is larger than the sum of its proper divisors (11811925578698).

15025535423542 is a wasteful number, since it uses less digits than its factorization.

15025535423542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323561356.

The product of its (nonzero) digits is 3600000, while the sum is 46.

Adding to 15025535423542 its reverse (24532453552051), we get a palindrome (39557988975593).

The spelling of 15025535423542 in words is "fifteen trillion, twenty-five billion, five hundred thirty-five million, four hundred twenty-three thousand, five hundred forty-two".