201542245155120 has 160 divisors (see below), whose sum is σ = 625732979668992. Its totient is φ = 53662752633856.

The previous prime is 201542245155073. The next prime is 201542245155137. The reversal of 201542245155120 is 21551542245102.

It is a super-2 number, since 2×201542245155120² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 541167694 + ... + 541539986.

Almost surely, 2^{201542245155120} is an apocalyptic number.

201542245155120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201542245155120 is an abundant number, since it is smaller than the sum of its proper divisors (424190734513872).

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

201542245155120 is a wasteful number, since it uses less digits than its factorization.

201542245155120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375739 (or 375733 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 201542245155120 in words is "two hundred one trillion, five hundred forty-two billion, two hundred forty-five million, one hundred fifty-five thousand, one hundred twenty".