1948439572115 has 8 divisors (see below), whose sum is σ = 2439785203488. Its totient is φ = 1490979846400.

The previous prime is 1948439572111. The next prime is 1948439572117. The reversal of 1948439572115 is 5112759348491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1948439572115 - 2² = 1948439572111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948439572111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8471476286 + ... + 8471476515.

It is an arithmetic number, because the mean of its divisors is an integer number (304973150436).

Almost surely, 2^{1948439572115} is an apocalyptic number.

1948439572115 is a deficient number, since it is larger than the sum of its proper divisors (491345631373).

1948439572115 is a wasteful number, since it uses less digits than its factorization.

1948439572115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942952829.

The product of its digits is 10886400, while the sum is 59.

The spelling of 1948439572115 in words is "one trillion, nine hundred forty-eight billion, four hundred thirty-nine million, five hundred seventy-two thousand, one hundred fifteen".