1235550401225 has 24 divisors (see below), whose sum is σ = 1751870069568. Its totient is φ = 846790056000.

The previous prime is 1235550401201. The next prime is 1235550401237. The reversal of 1235550401225 is 5221040555321.

It is a happy number.

It is not a de Polignac number, because 1235550401225 - 2⁶ = 1235550401161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1517426 + ... + 2184875.

It is an arithmetic number, because the mean of its divisors is an integer number (72994586232).

Almost surely, 2^{1235550401225} is an apocalyptic number.

It is an amenable number.

1235550401225 is a deficient number, since it is larger than the sum of its proper divisors (516319668343).

1235550401225 is a wasteful number, since it uses less digits than its factorization.

1235550401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704225 (or 3704220 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 1235550401225 its reverse (5221040555321), we get a palindrome (6456590956546).

The spelling of 1235550401225 in words is "one trillion, two hundred thirty-five billion, five hundred fifty million, four hundred one thousand, two hundred twenty-five".