201154485828 has 12 divisors (see below), whose sum is σ = 469360466960. Its totient is φ = 67051495272.

The previous prime is 201154485799. The next prime is 201154485839. The reversal of 201154485828 is 828584451102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8381436898 + ... + 8381436921.

Almost surely, 2^201154485828 is an apocalyptic number.

It is an amenable number.

201154485828 is an abundant number, since it is smaller than the sum of its proper divisors (268205981132).

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

201154485828 is a wasteful number, since it uses less digits than its factorization.

201154485828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16762873826 (or 16762873824 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 48.

The spelling of 201154485828 in words is "two hundred one billion, one hundred fifty-four million, four hundred eighty-five thousand, eight hundred twenty-eight".