155056410553 has 4 divisors (see below), whose sum is σ = 169152447888. Its totient is φ = 140960373220.

The previous prime is 155056410521. The next prime is 155056410569. The reversal of 155056410553 is 355014650551.

It is a happy number.

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 155056410553 - 2⁵ = 155056410521 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155056410583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7048018651 + ... + 7048018672.

It is an arithmetic number, because the mean of its divisors is an integer number (42288111972).

Almost surely, 2^155056410553 is an apocalyptic number.

It is an amenable number.

155056410553 is a deficient number, since it is larger than the sum of its proper divisors (14096037335).

155056410553 is a wasteful number, since it uses less digits than its factorization.

155056410553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096037334.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 155056410553 in words is "one hundred fifty-five billion, fifty-six million, four hundred ten thousand, five hundred fifty-three".