1061874036221 has 8 divisors (see below), whose sum is σ = 1081102849344. Its totient is φ = 1042798441120.

The previous prime is 1061874036199. The next prime is 1061874036227. The reversal of 1061874036221 is 1226304781601.

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

It is a de Polignac number, because none of the positive numbers 2^k-1061874036221 is a prime.

It is a super-2 number, since 2×1061874036221² (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 (1061874036227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38290520 + ... + 38318241.

It is an arithmetic number, because the mean of its divisors is an integer number (135137856168).

Almost surely, 2^{1061874036221} is an apocalyptic number.

It is an amenable number.

1061874036221 is a deficient number, since it is larger than the sum of its proper divisors (19228813123).

1061874036221 is an equidigital number, since it uses as much as digits as its factorization.

1061874036221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76609011.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 1061874036221 in words is "one trillion, sixty-one billion, eight hundred seventy-four million, thirty-six thousand, two hundred twenty-one".