1058550265421 has 24 divisors (see below), whose sum is σ = 1196021256192. Its totient is φ = 935491788000.

The previous prime is 1058550265327. The next prime is 1058550265433. The reversal of 1058550265421 is 1245620558501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1058550265421 is a prime.

It is a super-2 number, since 2×1058550265421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058550265121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5050316 + ... + 5255738.

It is an arithmetic number, because the mean of its divisors is an integer number (49834219008).

Almost surely, 2^{1058550265421} is an apocalyptic number.

1058550265421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1058550265421 is a deficient number, since it is larger than the sum of its proper divisors (137470990771).

1058550265421 is a wasteful number, since it uses less digits than its factorization.

1058550265421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206633 (or 206622 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 44.

The spelling of 1058550265421 in words is "one trillion, fifty-eight billion, five hundred fifty million, two hundred sixty-five thousand, four hundred twenty-one".