201615542002 has 32 divisors (see below), whose sum is σ = 354507840000. Its totient is φ = 85958901504.

The previous prime is 201615541993. The next prime is 201615542027. The reversal of 201615542002 is 200245516102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629002 + ... + 893797.

It is an arithmetic number, because the mean of its divisors is an integer number (11078370000).

Almost surely, 2^201615542002 is an apocalyptic number.

201615542002 is a deficient number, since it is larger than the sum of its proper divisors (152892297998).

201615542002 is a wasteful number, since it uses less digits than its factorization.

201615542002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523015 (or 1523001 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 201615542002 in words is "two hundred one billion, six hundred fifteen million, five hundred forty-two thousand, two".