1052481439091 has 8 divisors (see below), whose sum is σ = 1077045141744. Its totient is φ = 1027921708800.

The previous prime is 1052481439073. The next prime is 1052481439103. The reversal of 1052481439091 is 1909341842501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052481439091 is a prime.

It is a super-2 number, since 2×1052481439091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052481439001) 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, 453626 + ... + 1520111.

It is an arithmetic number, because the mean of its divisors is an integer number (134630642718).

Almost surely, 2^{1052481439091} is an apocalyptic number.

1052481439091 is a deficient number, since it is larger than the sum of its proper divisors (24563702653).

1052481439091 is a wasteful number, since it uses less digits than its factorization.

1052481439091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986181.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 1052481439091 in words is "one trillion, fifty-two billion, four hundred eighty-one million, four hundred thirty-nine thousand, ninety-one".