11062457661 has 4 divisors (see below), whose sum is σ = 14749943552. Its totient is φ = 7374971772.

The previous prime is 11062457657. The next prime is 11062457677. The reversal of 11062457661 is 16675426011.

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 not a de Polignac number, because 11062457661 - 2² = 11062457657 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 (11062457641) 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, 1843742941 + ... + 1843742946.

It is an arithmetic number, because the mean of its divisors is an integer number (3687485888).

Almost surely, 2^11062457661 is an apocalyptic number.

It is an amenable number.

11062457661 is a deficient number, since it is larger than the sum of its proper divisors (3687485891).

11062457661 is an equidigital number, since it uses as much as digits as its factorization.

11062457661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687485890.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 11062457661 in words is "eleven billion, sixty-two million, four hundred fifty-seven thousand, six hundred sixty-one".