2215938510248 has 8 divisors (see below), whose sum is σ = 4154884706730. Its totient is φ = 1107969255120.

The previous prime is 2215938510241. The next prime is 2215938510287. The reversal of 2215938510248 is 8420158395122.

It can be written as a sum of positive squares in only one way, i.e., 2037819060484 + 178119449764 = 1427522^2 + 422042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2215938510196 and 2215938510205.

It is not an unprimeable number, because it can be changed into a prime (2215938510241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138496156883 + ... + 138496156898.

Almost surely, 2^{2215938510248} is an apocalyptic number.

It is an amenable number.

2215938510248 is a deficient number, since it is larger than the sum of its proper divisors (1938946196482).

2215938510248 is a wasteful number, since it uses less digits than its factorization.

2215938510248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276992313787 (or 276992313783 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 2215938510248 in words is "two trillion, two hundred fifteen billion, nine hundred thirty-eight million, five hundred ten thousand, two hundred forty-eight".