1058838888661 has 4 divisors (see below), whose sum is σ = 1058841545632. Its totient is φ = 1058836231692.

The previous prime is 1058838888631. The next prime is 1058838888689. The reversal of 1058838888661 is 1668888388501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1058838888661 - 2²⁹ = 1058302017749 is a prime.

It is a super-2 number, since 2×1058838888661² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058838888631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596145 + ... + 1572598.

It is an arithmetic number, because the mean of its divisors is an integer number (264710386408).

Almost surely, 2^{1058838888661} is an apocalyptic number.

It is an amenable number.

1058838888661 is a deficient number, since it is larger than the sum of its proper divisors (2656971).

1058838888661 is an equidigital number, since it uses as much as digits as its factorization.

1058838888661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656970.

The product of its (nonzero) digits is 141557760, while the sum is 70.

The spelling of 1058838888661 in words is "one trillion, fifty-eight billion, eight hundred thirty-eight million, eight hundred eighty-eight thousand, six hundred sixty-one".