11132615506 has 4 divisors (see below), whose sum is σ = 16698923262. Its totient is φ = 5566307752.

The previous prime is 11132615449. The next prime is 11132615531. The reversal of 11132615506 is 60551623111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8725241281 + 2407374225 = 93409^2 + 49065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783153875 + ... + 2783153878.

Almost surely, 2^11132615506 is an apocalyptic number.

11132615506 is a deficient number, since it is larger than the sum of its proper divisors (5566307756).

11132615506 is an equidigital number, since it uses as much as digits as its factorization.

11132615506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566307755.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11132615506 in words is "eleven billion, one hundred thirty-two million, six hundred fifteen thousand, five hundred six".