11015486642 has 4 divisors (see below), whose sum is σ = 16523229966. Its totient is φ = 5507743320.

The previous prime is 11015486639. The next prime is 11015486723. The reversal of 11015486642 is 24668451011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24668451011 = 49223 ⋅501157.

It can be written as a sum of positive squares in only one way, i.e., 10736897161 + 278589481 = 103619^2 + 16691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11015486596 and 11015486605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753871659 + ... + 2753871662.

Almost surely, 2^11015486642 is an apocalyptic number.

11015486642 is a deficient number, since it is larger than the sum of its proper divisors (5507743324).

11015486642 is an equidigital number, since it uses as much as digits as its factorization.

11015486642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507743323.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 11015486642 in words is "eleven billion, fifteen million, four hundred eighty-six thousand, six hundred forty-two".