11012453635642 has 4 divisors (see below), whose sum is σ = 16518680453466. Its totient is φ = 5506226817820.

The previous prime is 11012453635639. The next prime is 11012453635643. The reversal of 11012453635642 is 24653635421011.

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., 10616056216441 + 396397419201 = 3258229^2 + 629601^2 .

It is not an unprimeable number, because it can be changed into a prime (11012453635643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753113408909 + ... + 2753113408912.

Almost surely, 2^{11012453635642} is an apocalyptic number.

11012453635642 is a deficient number, since it is larger than the sum of its proper divisors (5506226817824).

11012453635642 is an equidigital number, since it uses as much as digits as its factorization.

11012453635642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506226817823.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 11012453635642 in words is "eleven trillion, twelve billion, four hundred fifty-three million, six hundred thirty-five thousand, six hundred forty-two".