49998136155 has 16 divisors (see below), whose sum is σ = 87269474304. Its totient is φ = 24241520480.

The previous prime is 49998136141. The next prime is 49998136211. The reversal of 49998136155 is 55163189994.

49998136155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49998136155 - 2⁸ = 49998135899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151509339 + ... + 151509668.

It is an arithmetic number, because the mean of its divisors is an integer number (5454342144).

Almost surely, 2^49998136155 is an apocalyptic number.

49998136155 is a deficient number, since it is larger than the sum of its proper divisors (37271338149).

49998136155 is a wasteful number, since it uses less digits than its factorization.

49998136155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303019026.

The product of its digits is 10497600, while the sum is 60.

The spelling of 49998136155 in words is "forty-nine billion, nine hundred ninety-eight million, one hundred thirty-six thousand, one hundred fifty-five".