155150413251 has 8 divisors (see below), whose sum is σ = 207732771840. Its totient is φ = 103000831752.

The previous prime is 155150413213. The next prime is 155150413259. The reversal of 155150413251 is 152314051551.

It is a happy number.

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

It is not a de Polignac number, because 155150413251 - 2¹⁰ = 155150412227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155150413259) 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, 108193435 + ... + 108194868.

It is an arithmetic number, because the mean of its divisors is an integer number (25966596480).

Almost surely, 2^155150413251 is an apocalyptic number.

155150413251 is a deficient number, since it is larger than the sum of its proper divisors (52582358589).

155150413251 is a wasteful number, since it uses less digits than its factorization.

155150413251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216388545.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 155150413251 in words is "one hundred fifty-five billion, one hundred fifty million, four hundred thirteen thousand, two hundred fifty-one".