155150177513 has 8 divisors (see below), whose sum is σ = 159167401920. Its totient is φ = 151180494480.

The previous prime is 155150177489. The next prime is 155150177531. The reversal of 155150177513 is 315771051551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155150177513 - 2¹² = 155150173417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155150177213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11878733 + ... + 11891786.

It is an arithmetic number, because the mean of its divisors is an integer number (19895925240).

Almost surely, 2^155150177513 is an apocalyptic number.

It is an amenable number.

155150177513 is a deficient number, since it is larger than the sum of its proper divisors (4017224407).

155150177513 is a wasteful number, since it uses less digits than its factorization.

155150177513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23770687.

The product of its (nonzero) digits is 91875, while the sum is 41.

The spelling of 155150177513 in words is "one hundred fifty-five billion, one hundred fifty million, one hundred seventy-seven thousand, five hundred thirteen".