12162570251553 has 12 divisors (see below), whose sum is σ = 17729332784020. Its totient is φ = 8033991358176.

The previous prime is 12162570251551. The next prime is 12162570251593. The reversal of 12162570251553 is 35515207526121.

12162570251553 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 2 + 5 + 70 + 25 + 1 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2885812717824 + 9276757533729 = 1698768^2 + 3045777^2 .

It is not a de Polignac number, because 12162570251553 - 2¹ = 12162570251551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12162570251499 and 12162570251508.

It is not an unprimeable number, because it can be changed into a prime (12162570251551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6199066426 + ... + 6199068387.

Almost surely, 2^{12162570251553} is an apocalyptic number.

It is an amenable number.

12162570251553 is a deficient number, since it is larger than the sum of its proper divisors (5566762532467).

12162570251553 is a wasteful number, since it uses less digits than its factorization.

12162570251553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398134928 (or 12398134925 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

Adding to 12162570251553 its reverse (35515207526121), we get a palindrome (47677777777674).

The spelling of 12162570251553 in words is "twelve trillion, one hundred sixty-two billion, five hundred seventy million, two hundred fifty-one thousand, five hundred fifty-three".