155200755361 has 4 divisors (see below), whose sum is σ = 155203547824. Its totient is φ = 155197962900.

The previous prime is 155200755323. The next prime is 155200755401. The reversal of 155200755361 is 163557002551.

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: 163557002551 = 23911 ⋅6840241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155200755361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155207755361) 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, 1311135 + ... + 1424596.

It is an arithmetic number, because the mean of its divisors is an integer number (38800886956).

Almost surely, 2^155200755361 is an apocalyptic number.

It is an amenable number.

155200755361 is a deficient number, since it is larger than the sum of its proper divisors (2792463).

155200755361 is an equidigital number, since it uses as much as digits as its factorization.

155200755361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792462.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 155200755361 in words is "one hundred fifty-five billion, two hundred million, seven hundred fifty-five thousand, three hundred sixty-one".