11645101538 has 32 divisors (see below), whose sum is σ = 20610091008. Its totient is φ = 4830408000.

The previous prime is 11645101421. The next prime is 11645101543. The reversal of 11645101538 is 83510154611.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11645101498 and 11645101507.

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, 40088 + ... + 157788.

It is an arithmetic number, because the mean of its divisors is an integer number (644065344).

Almost surely, 2^11645101538 is an apocalyptic number.

11645101538 is a deficient number, since it is larger than the sum of its proper divisors (8964989470).

11645101538 is a wasteful number, since it uses less digits than its factorization.

11645101538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117938.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 11645101538 in words is "eleven billion, six hundred forty-five million, one hundred one thousand, five hundred thirty-eight".