13112515102440 has 192 divisors, whose sum is σ = 44448290490240. Its totient is φ = 3087361305600.

The previous prime is 13112515102367. The next prime is 13112515102471. The reversal of 13112515102440 is 4420151521131.

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 = 13112515102398 and 13112515102407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13589511 + ... + 14522390.

It is an arithmetic number, because the mean of its divisors is an integer number (231501512970).

Almost surely, 2^{13112515102440} is an apocalyptic number.

13112515102440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112515102440 is an abundant number, since it is smaller than the sum of its proper divisors (31335775387800).

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

13112515102440 is a wasteful number, since it uses less digits than its factorization.

13112515102440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28111964 (or 28111947 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 13112515102440 its reverse (4420151521131), we get a palindrome (17532666623571).

The spelling of 13112515102440 in words is "thirteen trillion, one hundred twelve billion, five hundred fifteen million, one hundred two thousand, four hundred forty".