15103133315440 has 20 divisors (see below), whose sum is σ = 35114784958584. Its totient is φ = 6041253326144.

The previous prime is 15103133315437. The next prime is 15103133315509. The reversal of 15103133315440 is 4451333130151.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 15103133315396 and 15103133315405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94394583142 + ... + 94394583301.

Almost surely, 2^{15103133315440} is an apocalyptic number.

15103133315440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15103133315440 is an abundant number, since it is smaller than the sum of its proper divisors (20011651643144).

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

15103133315440 is a wasteful number, since it uses less digits than its factorization.

15103133315440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188789166456 (or 188789166450 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 15103133315440 its reverse (4451333130151), we get a palindrome (19554466445591).

The spelling of 15103133315440 in words is "fifteen trillion, one hundred three billion, one hundred thirty-three million, three hundred fifteen thousand, four hundred forty".