155027361651 has 4 divisors (see below), whose sum is σ = 206703148872. Its totient is φ = 103351574432.

The previous prime is 155027361529. The next prime is 155027361653. The reversal of 155027361651 is 156163720551.

155027361651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155027361651 - 2¹⁴ = 155027345267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155027361653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25837893606 + ... + 25837893611.

It is an arithmetic number, because the mean of its divisors is an integer number (51675787218).

Almost surely, 2^155027361651 is an apocalyptic number.

155027361651 is a deficient number, since it is larger than the sum of its proper divisors (51675787221).

155027361651 is an equidigital number, since it uses as much as digits as its factorization.

155027361651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51675787220.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 155027361651 in words is "one hundred fifty-five billion, twenty-seven million, three hundred sixty-one thousand, six hundred fifty-one".