11533732634 has 4 divisors (see below), whose sum is σ = 17300598954. Its totient is φ = 5766866316.

The previous prime is 11533732579. The next prime is 11533732643. The reversal of 11533732634 is 43623733511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43623733511 = 9349 ⋅4666139.

It can be written as a sum of positive squares in only one way, i.e., 8661094225 + 2872638409 = 93065^2 + 53597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883433157 + ... + 2883433160.

Almost surely, 2^11533732634 is an apocalyptic number.

11533732634 is a deficient number, since it is larger than the sum of its proper divisors (5766866320).

11533732634 is an equidigital number, since it uses as much as digits as its factorization.

11533732634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766866319.

The product of its digits is 136080, while the sum is 38.

The spelling of 11533732634 in words is "eleven billion, five hundred thirty-three million, seven hundred thirty-two thousand, six hundred thirty-four".