11510001056 has 12 divisors (see below), whose sum is σ = 22660314642. Its totient is φ = 5755000512.

The previous prime is 11510000981. The next prime is 11510001059. The reversal of 11510001056 is 65010001511.

It can be written as a sum of positive squares in only one way, i.e., 11509856656 + 144400 = 107284^2 + 380^2 .

It is a super-2 number, since 2×11510001056² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11510001059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179843735 + ... + 179843798.

Almost surely, 2^11510001056 is an apocalyptic number.

11510001056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11510001056 is a deficient number, since it is larger than the sum of its proper divisors (11150313586).

11510001056 is an equidigital number, since it uses as much as digits as its factorization.

11510001056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359687543 (or 359687535 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11510001056 its reverse (65010001511), we get a palindrome (76520002567).

The spelling of 11510001056 in words is "eleven billion, five hundred ten million, one thousand, fifty-six".