1513222122025 has 12 divisors (see below), whose sum is σ = 1957977842112. Its totient is φ = 1157943884240.

The previous prime is 1513222121987. The next prime is 1513222122031. The reversal of 1513222122025 is 5202212223151.

It is a happy number.

It is not a de Polignac number, because 1513222122025 - 2¹⁵ = 1513222089257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513222121984 and 1513222122002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315844749 + ... + 1315845898.

It is an arithmetic number, because the mean of its divisors is an integer number (163164820176).

Almost surely, 2^{1513222122025} is an apocalyptic number.

It is an amenable number.

1513222122025 is a deficient number, since it is larger than the sum of its proper divisors (444755720087).

1513222122025 is a wasteful number, since it uses less digits than its factorization.

1513222122025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631690680 (or 2631690675 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1513222122025 its reverse (5202212223151), we get a palindrome (6715434345176).

The spelling of 1513222122025 in words is "one trillion, five hundred thirteen billion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-five".