1215045202141 has 16 divisors (see below), whose sum is σ = 1271706768000. Its totient is φ = 1158704363520.

The previous prime is 1215045202067. The next prime is 1215045202199. The reversal of 1215045202141 is 1412025405121.

It is a cyclic number.

It is not a de Polignac number, because 1215045202141 - 2²⁵ = 1215011647709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215045202741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56505610 + ... + 56527108.

It is an arithmetic number, because the mean of its divisors is an integer number (79481673000).

Almost surely, 2^{1215045202141} is an apocalyptic number.

It is an amenable number.

1215045202141 is a deficient number, since it is larger than the sum of its proper divisors (56661565859).

1215045202141 is a wasteful number, since it uses less digits than its factorization.

1215045202141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28836.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 1215045202141 in words is "one trillion, two hundred fifteen billion, forty-five million, two hundred two thousand, one hundred forty-one".