13121151501 has 8 divisors (see below), whose sum is σ = 17505681120. Its totient is φ = 8742028112.

The previous prime is 13121151469. The next prime is 13121151509. The reversal of 13121151501 is 10515112131.

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

It is a cyclic number.

It is not a de Polignac number, because 13121151501 - 2⁵ = 13121151469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121151509) 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, 1345890 + ... + 1355603.

It is an arithmetic number, because the mean of its divisors is an integer number (2188210140).

Almost surely, 2^13121151501 is an apocalyptic number.

It is an amenable number.

13121151501 is a deficient number, since it is larger than the sum of its proper divisors (4384529619).

13121151501 is a wasteful number, since it uses less digits than its factorization.

13121151501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703115.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 13121151501 its reverse (10515112131), we get a palindrome (23636263632).

The spelling of 13121151501 in words is "thirteen billion, one hundred twenty-one million, one hundred fifty-one thousand, five hundred one".