121513425411403 has 8 divisors (see below), whose sum is σ = 121813258499072. Its totient is φ = 121213875857256.

The previous prime is 121513425411377. The next prime is 121513425411409. The reversal of 121513425411403 is 304114524315121.

It is a happy number.

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 121513425411403 - 2⁹ = 121513425410891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121513425411409) 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, 70025175 + ... + 71739472.

It is an arithmetic number, because the mean of its divisors is an integer number (15226657312384).

Almost surely, 2^{121513425411403} is an apocalyptic number.

121513425411403 is a deficient number, since it is larger than the sum of its proper divisors (299833087669).

121513425411403 is a wasteful number, since it uses less digits than its factorization.

121513425411403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141766761.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 121513425411403 its reverse (304114524315121), we get a palindrome (425627949726524).

The spelling of 121513425411403 in words is "one hundred twenty-one trillion, five hundred thirteen billion, four hundred twenty-five million, four hundred eleven thousand, four hundred three".