155250631361 has 8 divisors (see below), whose sum is σ = 177451233024. Its totient is φ = 133055514720.

The previous prime is 155250631297. The next prime is 155250631369. The reversal of 155250631361 is 163136052551.

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 155250631361 - 2⁶ = 155250631297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155250631369) 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, 1310420 + ... + 1423973.

It is an arithmetic number, because the mean of its divisors is an integer number (22181404128).

Almost surely, 2^155250631361 is an apocalyptic number.

It is an amenable number.

155250631361 is a deficient number, since it is larger than the sum of its proper divisors (22200601663).

155250631361 is an equidigital number, since it uses as much as digits as its factorization.

155250631361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742511.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 155250631361 in words is "one hundred fifty-five billion, two hundred fifty million, six hundred thirty-one thousand, three hundred sixty-one".