135415441555553 has 4 divisors (see below), whose sum is σ = 135434734259760. Its totient is φ = 135396148851348.

The previous prime is 135415441555501. The next prime is 135415441555609. The reversal of 135415441555553 is 355555144514531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135415441555553 - 2¹⁸ = 135415441293409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135415441555453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9646341575 + ... + 9646355612.

It is an arithmetic number, because the mean of its divisors is an integer number (33858683564940).

Almost surely, 2^{135415441555553} is an apocalyptic number.

It is an amenable number.

135415441555553 is a deficient number, since it is larger than the sum of its proper divisors (19292704207).

135415441555553 is an equidigital number, since it uses as much as digits as its factorization.

135415441555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292704206.

The product of its digits is 45000000, while the sum is 56.

The spelling of 135415441555553 in words is "one hundred thirty-five trillion, four hundred fifteen billion, four hundred forty-one million, five hundred fifty-five thousand, five hundred fifty-three".