15023135054140 has 48 divisors (see below), whose sum is σ = 32144787880128. Its totient is φ = 5895697992704.

The previous prime is 15023135054099. The next prime is 15023135054173. The reversal of 15023135054140 is 4145053132051.

15023135054140 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 2×15023135054140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15023135054096 and 15023135054105.

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, 39266004 + ... + 39646756.

It is an arithmetic number, because the mean of its divisors is an integer number (669683080836).

Almost surely, 2^{15023135054140} is an apocalyptic number.

15023135054140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15023135054140 is an abundant number, since it is smaller than the sum of its proper divisors (17121652825988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15023135054140 is a wasteful number, since it uses less digits than its factorization.

15023135054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418038 (or 418036 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 15023135054140 its reverse (4145053132051), we get a palindrome (19168188186191).

The spelling of 15023135054140 in words is "fifteen trillion, twenty-three billion, one hundred thirty-five million, fifty-four thousand, one hundred forty".