155050252886 has 4 divisors (see below), whose sum is σ = 232575379332. Its totient is φ = 77525126442.

The previous prime is 155050252873. The next prime is 155050252901. The reversal of 155050252886 is 688252050551.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 155050252886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38762563220 + ... + 38762563223.

It is an arithmetic number, because the mean of its divisors is an integer number (58143844833).

Almost surely, 2^155050252886 is an apocalyptic number.

155050252886 is a deficient number, since it is larger than the sum of its proper divisors (77525126446).

155050252886 is an equidigital number, since it uses as much as digits as its factorization.

155050252886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77525126445.

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 155050252886 in words is "one hundred fifty-five billion, fifty million, two hundred fifty-two thousand, eight hundred eighty-six".