11012106266531 has 4 divisors (see below), whose sum is σ = 11167206354864. Its totient is φ = 10857006178200.

The previous prime is 11012106266527. The next prime is 11012106266599. The reversal of 11012106266531 is 13566260121011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012106266531 - 2² = 11012106266527 is a prime.

It is a super-2 number, since 2×11012106266531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012106266491 and 11012106266500.

It is not an unprimeable number, because it can be changed into a prime (11012106266731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77550044060 + ... + 77550044201.

It is an arithmetic number, because the mean of its divisors is an integer number (2791801588716).

Almost surely, 2^{11012106266531} is an apocalyptic number.

11012106266531 is a deficient number, since it is larger than the sum of its proper divisors (155100088333).

11012106266531 is an equidigital number, since it uses as much as digits as its factorization.

11012106266531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155100088332.

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 11012106266531 its reverse (13566260121011), we get a palindrome (24578366387542).

The spelling of 11012106266531 in words is "eleven trillion, twelve billion, one hundred six million, two hundred sixty-six thousand, five hundred thirty-one".