177115985053 has 4 divisors (see below), whose sum is σ = 202418268640. Its totient is φ = 151813701468.

The previous prime is 177115985047. The next prime is 177115985077. The reversal of 177115985053 is 350589511771.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350589511771 = 223 ⋅1572150277.

It is a cyclic number.

It is not a de Polignac number, because 177115985053 - 2²⁵ = 177082430621 is a prime.

It is a super-2 number, since 2×177115985053² (a number of 23 digits) contains 22 as substring.

It is the 420852-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (177115985093) by changing a digit.

It is a nontrivial repunit in base 420851.

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 3 ways as a sum of consecutive naturals, for example, 12651141783 + ... + 12651141796.

It is an arithmetic number, because the mean of its divisors is an integer number (50604567160).

Almost surely, 2^177115985053 is an apocalyptic number.

It is an amenable number.

177115985053 is a deficient number, since it is larger than the sum of its proper divisors (25302283587).

177115985053 is an equidigital number, since it uses as much as digits as its factorization.

177115985053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302283586.

The product of its (nonzero) digits is 1323000, while the sum is 52.

The spelling of 177115985053 in words is "one hundred seventy-seven billion, one hundred fifteen million, nine hundred eighty-five thousand, fifty-three".