155630261162303 has 4 divisors (see below), whose sum is σ = 155698850966760. Its totient is φ = 155561671357848.

The previous prime is 155630261162261. The next prime is 155630261162333. The reversal of 155630261162303 is 303261162036551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155630261162303 - 2¹⁸ = 155630260900159 is a prime.

It is a super-3 number, since 3×155630261162303³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155630261162333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34294898825 + ... + 34294903362.

It is an arithmetic number, because the mean of its divisors is an integer number (38924712741690).

Almost surely, 2^{155630261162303} is an apocalyptic number.

155630261162303 is a deficient number, since it is larger than the sum of its proper divisors (68589804457).

155630261162303 is an equidigital number, since it uses as much as digits as its factorization.

155630261162303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68589804456.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 155630261162303 in words is "one hundred fifty-five trillion, six hundred thirty billion, two hundred sixty-one million, one hundred sixty-two thousand, three hundred three".