13154250434520 has 128 divisors (see below), whose sum is σ = 42975857534400. Its totient is φ = 3201587625984.

The previous prime is 13154250434513. The next prime is 13154250434537. The reversal of 13154250434520 is 2543405245131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47233137 + ... + 47510816.

Almost surely, 2^{13154250434520} is an apocalyptic number.

13154250434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13154250434520 is an abundant number, since it is smaller than the sum of its proper divisors (29821607099880).

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

13154250434520 is a wasteful number, since it uses less digits than its factorization.

13154250434520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94744069 (or 94744065 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 13154250434520 its reverse (2543405245131), we get a palindrome (15697655679651).

The spelling of 13154250434520 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty million, four hundred thirty-four thousand, five hundred twenty".