155849558954 has 16 divisors (see below), whose sum is σ = 252729016800. Its totient is φ = 71828245584.

The previous prime is 155849558929. The next prime is 155849558957. The reversal of 155849558954 is 459855948551.

It is not an unprimeable number, because it can be changed into a prime (155849558957) 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, 55421624 + ... + 55424435.

It is an arithmetic number, because the mean of its divisors is an integer number (15795563550).

Almost surely, 2^155849558954 is an apocalyptic number.

155849558954 is a deficient number, since it is larger than the sum of its proper divisors (96879457846).

155849558954 is a wasteful number, since it uses less digits than its factorization.

155849558954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110846117.

The product of its digits is 259200000, while the sum is 68.

The spelling of 155849558954 in words is "one hundred fifty-five billion, eight hundred forty-nine million, five hundred fifty-eight thousand, nine hundred fifty-four".