155075035053 has 4 divisors (see below), whose sum is σ = 206766713408. Its totient is φ = 103383356700.

The previous prime is 155075035039. The next prime is 155075035061. The reversal of 155075035053 is 350530570551.

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 not a de Polignac number, because 155075035053 - 2¹⁰ = 155075034029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155075033053) 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, 25845839173 + ... + 25845839178.

It is an arithmetic number, because the mean of its divisors is an integer number (51691678352).

Almost surely, 2^155075035053 is an apocalyptic number.

It is an amenable number.

155075035053 is a deficient number, since it is larger than the sum of its proper divisors (51691678355).

155075035053 is an equidigital number, since it uses as much as digits as its factorization.

155075035053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51691678354.

The product of its (nonzero) digits is 196875, while the sum is 39.

The spelling of 155075035053 in words is "one hundred fifty-five billion, seventy-five million, thirty-five thousand, fifty-three".