13503445001040 has 40 divisors (see below), whose sum is σ = 41860679503968. Its totient is φ = 3600918666880.

The previous prime is 13503445000949. The next prime is 13503445001041. The reversal of 13503445001040 is 4010054430531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13503445001040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13503445000989 and 13503445001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503445001041) 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, 28132176846 + ... + 28132177325.

Almost surely, 2^{13503445001040} is an apocalyptic number.

13503445001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13503445001040 is an abundant number, since it is smaller than the sum of its proper divisors (28357234502928).

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

13503445001040 is a wasteful number, since it uses less digits than its factorization.

13503445001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56264354187 (or 56264354181 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13503445001040 its reverse (4010054430531), we get a palindrome (17513499431571).

The spelling of 13503445001040 in words is "thirteen trillion, five hundred three billion, four hundred forty-five million, one thousand, forty".