141215015666 has 12 divisors (see below), whose sum is σ = 218875929966. Its totient is φ = 68329845360.

The previous prime is 141215015587. The next prime is 141215015681. The reversal of 141215015666 is 666510512141.

It can be written as a sum of positive squares in only one way, i.e., 96003924025 + 45211091641 = 309845^2 + 212629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36734555 + ... + 36738398.

Almost surely, 2^141215015666 is an apocalyptic number.

141215015666 is a deficient number, since it is larger than the sum of its proper divisors (77660914300).

141215015666 is an equidigital number, since it uses as much as digits as its factorization.

141215015666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73473017 (or 73472986 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 141215015666 in words is "one hundred forty-one billion, two hundred fifteen million, fifteen thousand, six hundred sixty-six".