135550243502451 has 12 divisors (see below), whose sum is σ = 196432564239912. Its totient is φ = 90072474507936.

The previous prime is 135550243502447. The next prime is 135550243502483. The reversal of 135550243502451 is 154205342055531.

135550243502451 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 50 + 2 + 4 + 350 + 245 + 1 = 666.

It is not a de Polignac number, because 135550243502451 - 2² = 135550243502447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135550243502397 and 135550243502406.

It is not an unprimeable number, because it can be changed into a prime (135550243502411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24529538226 + ... + 24529543751.

It is an arithmetic number, because the mean of its divisors is an integer number (16369380353326).

Almost surely, 2^{135550243502451} is an apocalyptic number.

135550243502451 is a deficient number, since it is larger than the sum of its proper divisors (60882320737461).

135550243502451 is a wasteful number, since it uses less digits than its factorization.

135550243502451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49059082290 (or 49059082287 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Adding to 135550243502451 its reverse (154205342055531), we get a palindrome (289755585557982).

The spelling of 135550243502451 in words is "one hundred thirty-five trillion, five hundred fifty billion, two hundred forty-three million, five hundred two thousand, four hundred fifty-one".