13500002354251 has 8 divisors (see below), whose sum is σ = 15530750107904. Its totient is φ = 11494798597800.

The previous prime is 13500002354233. The next prime is 13500002354257. The reversal of 13500002354251 is 15245320000531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13500002354251 - 2⁷ = 13500002354123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13500002354257) 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, 6385998165 + ... + 6386000278.

It is an arithmetic number, because the mean of its divisors is an integer number (1941343763488).

Almost surely, 2^{13500002354251} is an apocalyptic number.

13500002354251 is a deficient number, since it is larger than the sum of its proper divisors (2030747753653).

13500002354251 is a wasteful number, since it uses less digits than its factorization.

13500002354251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771998601.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13500002354251 its reverse (15245320000531), we get a palindrome (28745322354782).

The spelling of 13500002354251 in words is "thirteen trillion, five hundred billion, two million, three hundred fifty-four thousand, two hundred fifty-one".