1011776674421 has 4 divisors (see below), whose sum is σ = 1011779639052. Its totient is φ = 1011773709792.

The previous prime is 1011776674379. The next prime is 1011776674501. The reversal of 1011776674421 is 1244766771101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 475424040100 + 536352634321 = 689510^2 + 732361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011776674421 - 2¹⁸ = 1011776412277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011776674121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892040 + ... + 1679073.

It is an arithmetic number, because the mean of its divisors is an integer number (252944909763).

Almost surely, 2^{1011776674421} is an apocalyptic number.

It is an amenable number.

1011776674421 is a deficient number, since it is larger than the sum of its proper divisors (2964631).

1011776674421 is an equidigital number, since it uses as much as digits as its factorization.

1011776674421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964630.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 1011776674421 in words is "one trillion, eleven billion, seven hundred seventy-six million, six hundred seventy-four thousand, four hundred twenty-one".