155504217092 has 12 divisors (see below), whose sum is σ = 311008434240. Its totient is φ = 66644664456.

The previous prime is 155504217083. The next prime is 155504217119. The reversal of 155504217092 is 290712405551.

155504217092 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776860992 + ... + 2776861047.

It is an arithmetic number, because the mean of its divisors is an integer number (25917369520).

Almost surely, 2^155504217092 is an apocalyptic number.

It is an amenable number.

155504217092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155504217092 is a wasteful number, since it uses less digits than its factorization.

155504217092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553722050 (or 5553722048 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 155504217092 in words is "one hundred fifty-five billion, five hundred four million, two hundred seventeen thousand, ninety-two".