11061952621 has 4 divisors (see below), whose sum is σ = 11062696192. Its totient is φ = 11061209052.

The previous prime is 11061952609. The next prime is 11061952631. The reversal of 11061952621 is 12625916011.

It is a happy number.

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 11061952621 - 2¹¹ = 11061950573 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 (11061952631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349005 + ... + 379378.

It is an arithmetic number, because the mean of its divisors is an integer number (2765674048).

Almost surely, 2^11061952621 is an apocalyptic number.

It is an amenable number.

11061952621 is a deficient number, since it is larger than the sum of its proper divisors (743571).

11061952621 is an equidigital number, since it uses as much as digits as its factorization.

11061952621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743570.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11061952621 in words is "eleven billion, sixty-one million, nine hundred fifty-two thousand, six hundred twenty-one".