10556512121011 has 8 divisors (see below), whose sum is σ = 10694705528000. Its totient is φ = 10418432880960.

The previous prime is 10556512120991. The next prime is 10556512121021. The reversal of 10556512121011 is 11012121565501.

10556512121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10556512121011 - 2³¹ = 10554364637363 is a prime.

It is a super-2 number, since 2×10556512121011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10556512121021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28355586 + ... + 28725463.

It is an arithmetic number, because the mean of its divisors is an integer number (1336838191000).

Almost surely, 2^{10556512121011} is an apocalyptic number.

10556512121011 is a deficient number, since it is larger than the sum of its proper divisors (138193406989).

10556512121011 is an equidigital number, since it uses as much as digits as its factorization.

10556512121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57083469.

The product of its (nonzero) digits is 3000, while the sum is 31.

Adding to 10556512121011 its reverse (11012121565501), we get a palindrome (21568633686512).

The spelling of 10556512121011 in words is "ten trillion, five hundred fifty-six billion, five hundred twelve million, one hundred twenty-one thousand, eleven".