201215561162 has 48 divisors (see below), whose sum is σ = 380225192256. Its totient is φ = 78173356800.

The previous prime is 201215561153. The next prime is 201215561171. The reversal of 201215561162 is 261165512102.

It is an interprime number because it is at equal distance from previous prime (201215561153) and next prime (201215561171).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429737 + ... + 766227.

It is an arithmetic number, because the mean of its divisors is an integer number (7921358172).

Almost surely, 2^201215561162 is an apocalyptic number.

201215561162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201215561162 is a deficient number, since it is larger than the sum of its proper divisors (179009631094).

201215561162 is a wasteful number, since it uses less digits than its factorization.

201215561162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336875 (or 336864 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 201215561162 in words is "two hundred one billion, two hundred fifteen million, five hundred sixty-one thousand, one hundred sixty-two".