10556501554 has 4 divisors (see below), whose sum is σ = 15834752334. Its totient is φ = 5278250776.

The previous prime is 10556501537. The next prime is 10556501563. The reversal of 10556501554 is 45510565501.

10556501554 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45510565501 = 479 ⋅95011619.

It can be written as a sum of positive squares in only one way, i.e., 9521270929 + 1035230625 = 97577^2 + 32175^2 .

It is a super-2 number, since 2×10556501554² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639125387 + ... + 2639125390.

Almost surely, 2^10556501554 is an apocalyptic number.

10556501554 is a deficient number, since it is larger than the sum of its proper divisors (5278250780).

10556501554 is an equidigital number, since it uses as much as digits as its factorization.

10556501554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278250779.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 10556501554 in words is "ten billion, five hundred fifty-six million, five hundred one thousand, five hundred fifty-four".