155492649100 has 18 divisors (see below), whose sum is σ = 337419048764. Its totient is φ = 62197059600.

The previous prime is 155492649083. The next prime is 155492649133. The reversal of 155492649100 is 1946294551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777463146 + ... + 777463345.

Almost surely, 2^155492649100 is an apocalyptic number.

155492649100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155492649100 is an abundant number, since it is smaller than the sum of its proper divisors (181926399664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155492649100 is a wasteful number, since it uses less digits than its factorization.

155492649100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554926505 (or 1554926498 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 155492649100 in words is "one hundred fifty-five billion, four hundred ninety-two million, six hundred forty-nine thousand, one hundred".