11016551642 has 4 divisors (see below), whose sum is σ = 16524827466. Its totient is φ = 5508275820.

The previous prime is 11016551593. The next prime is 11016551647. The reversal of 11016551642 is 24615561011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24615561011 = 67 ⋅367396433.

It can be written as a sum of positive squares in only one way, i.e., 7292989201 + 3723562441 = 85399^2 + 61021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11016551599 and 11016551608.

It is not an unprimeable number, because it can be changed into a prime (11016551647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754137909 + ... + 2754137912.

Almost surely, 2^11016551642 is an apocalyptic number.

11016551642 is a deficient number, since it is larger than the sum of its proper divisors (5508275824).

11016551642 is an equidigital number, since it uses as much as digits as its factorization.

11016551642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508275823.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 11016551642 in words is "eleven billion, sixteen million, five hundred fifty-one thousand, six hundred forty-two".