1135612220425 has 6 divisors (see below), whose sum is σ = 1408159153358. Its totient is φ = 908489776320.

The previous prime is 1135612220423. The next prime is 1135612220429. The reversal of 1135612220425 is 5240222165311.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 49287552064 + 1086324668361 = 222008^2 + 1042269^2 .

It is not a de Polignac number, because 1135612220425 - 2¹ = 1135612220423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135612220423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22712244384 + ... + 22712244433.

Almost surely, 2^{1135612220425} is an apocalyptic number.

It is an amenable number.

1135612220425 is a deficient number, since it is larger than the sum of its proper divisors (272546932933).

1135612220425 is an equidigital number, since it uses as much as digits as its factorization.

1135612220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45424488827 (or 45424488822 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1135612220425 its reverse (5240222165311), we get a palindrome (6375834385736).

The spelling of 1135612220425 in words is "one trillion, one hundred thirty-five billion, six hundred twelve million, two hundred twenty thousand, four hundred twenty-five".