11137771646 has 16 divisors (see below), whose sum is σ = 17691506784. Its totient is φ = 5240680704.

The previous prime is 11137771637. The next prime is 11137771651. The reversal of 11137771646 is 64617773111.

11137771646 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11137771597 and 11137771606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403586 + ... + 430298.

It is an arithmetic number, because the mean of its divisors is an integer number (1105719174).

Almost surely, 2^11137771646 is an apocalyptic number.

11137771646 is a deficient number, since it is larger than the sum of its proper divisors (6553735138).

11137771646 is a wasteful number, since it uses less digits than its factorization.

11137771646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38995.

The product of its digits is 148176, while the sum is 44.

The spelling of 11137771646 in words is "eleven billion, one hundred thirty-seven million, seven hundred seventy-one thousand, six hundred forty-six".