11012356534 has 4 divisors (see below), whose sum is σ = 16518534804. Its totient is φ = 5506178266.

The previous prime is 11012356417. The next prime is 11012356591. The reversal of 11012356534 is 43565321011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43565321011 = 201037 ⋅216703.

It is a junction number, because it is equal to n+sod(n) for n = 11012356496 and 11012356505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753089132 + ... + 2753089135.

It is an arithmetic number, because the mean of its divisors is an integer number (4129633701).

Almost surely, 2^11012356534 is an apocalyptic number.

11012356534 is a deficient number, since it is larger than the sum of its proper divisors (5506178270).

11012356534 is an equidigital number, since it uses as much as digits as its factorization.

11012356534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506178269.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 11012356534 its reverse (43565321011), we get a palindrome (54577677545).

The spelling of 11012356534 in words is "eleven billion, twelve million, three hundred fifty-six thousand, five hundred thirty-four".