1525113350121 has 32 divisors (see below), whose sum is σ = 2095065856000. Its totient is φ = 986130500544.

The previous prime is 1525113350099. The next prime is 1525113350161. The reversal of 1525113350121 is 1210533115251.

It is not a de Polignac number, because 1525113350121 - 2²¹ = 1525111252969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525113350161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48892896 + ... + 48924078.

It is an arithmetic number, because the mean of its divisors is an integer number (65470808000).

Almost surely, 2^{1525113350121} is an apocalyptic number.

It is an amenable number.

1525113350121 is a deficient number, since it is larger than the sum of its proper divisors (569952505879).

1525113350121 is a wasteful number, since it uses less digits than its factorization.

1525113350121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32605.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 1525113350121 its reverse (1210533115251), we get a palindrome (2735646465372).

The spelling of 1525113350121 in words is "one trillion, five hundred twenty-five billion, one hundred thirteen million, three hundred fifty thousand, one hundred twenty-one".