11137325646 has 32 divisors (see below), whose sum is σ = 23481797760. Its totient is φ = 3511830816.

The previous prime is 11137325623. The next prime is 11137325657. The reversal of 11137325646 is 64652373111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025 + ... + 149331.

It is an arithmetic number, because the mean of its divisors is an integer number (733806180).

Almost surely, 2^11137325646 is an apocalyptic number.

11137325646 is an abundant number, since it is smaller than the sum of its proper divisors (12344472114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11137325646 is a wasteful number, since it uses less digits than its factorization.

11137325646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145008.

The product of its digits is 90720, while the sum is 39.

Adding to 11137325646 its reverse (64652373111), we get a palindrome (75789698757).

The spelling of 11137325646 in words is "eleven billion, one hundred thirty-seven million, three hundred twenty-five thousand, six hundred forty-six".