11051010531 has 48 divisors (see below), whose sum is σ = 18541560960. Its totient is φ = 6268220160.

The previous prime is 11051010499. The next prime is 11051010533. The reversal of 11051010531 is 13501015011.

11051010531 is a `hidden beast` number, since 110 + 5 + 10 + 10 + 531 = 666.

It is not a de Polignac number, because 11051010531 - 2⁵ = 11051010499 is a prime.

It is a super-2 number, since 2×11051010531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11051010533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282916 + ... + 319598.

It is an arithmetic number, because the mean of its divisors is an integer number (386282520).

Almost surely, 2^11051010531 is an apocalyptic number.

11051010531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11051010531 is a deficient number, since it is larger than the sum of its proper divisors (7490550429).

11051010531 is a wasteful number, since it uses less digits than its factorization.

11051010531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36896 (or 36893 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

Adding to 11051010531 its reverse (13501015011), we get a palindrome (24552025542).

The spelling of 11051010531 in words is "eleven billion, fifty-one million, ten thousand, five hundred thirty-one".