13115142351450 has 144 divisors (see below), whose sum is σ = 37638890762616. Its totient is φ = 3262513766400.

The previous prime is 13115142351407. The next prime is 13115142351461. The reversal of 13115142351450 is 5415324151131.

13115142351450 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 51 + 42 + 3 + 514 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 1536169372929 + 11578972978521 = 1239423^2 + 3402789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6721381 + ... + 8450280.

Almost surely, 2^{13115142351450} is an apocalyptic number.

13115142351450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13115142351450 is an abundant number, since it is smaller than the sum of its proper divisors (24523748411166).

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

13115142351450 is a wasteful number, since it uses less digits than its factorization.

13115142351450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171809 (or 15171801 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 13115142351450 in words is "thirteen trillion, one hundred fifteen billion, one hundred forty-two million, three hundred fifty-one thousand, four hundred fifty".