201155230932078 has 8 divisors (see below), whose sum is σ = 402310461864168. Its totient is φ = 67051743644024.

The previous prime is 201155230932031. The next prime is 201155230932091. The reversal of 201155230932078 is 870239032551102.

It is a sphenic number, since it is the product of 3 distinct primes.

201155230932078 is an admirable number.

It is a congruent 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, 16762935911001 + ... + 16762935911012.

It is an arithmetic number, because the mean of its divisors is an integer number (50288807733021).

Almost surely, 2^{201155230932078} is an apocalyptic number.

201155230932078 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.

201155230932078 is a wasteful number, since it uses less digits than its factorization.

201155230932078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33525871822018.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 201155230932078 in words is "two hundred one trillion, one hundred fifty-five billion, two hundred thirty million, nine hundred thirty-two thousand, seventy-eight".