10603115550 has 72 divisors (see below), whose sum is σ = 28498789800. Its totient is φ = 2826331200.

The previous prime is 10603115539. The next prime is 10603115591. The reversal of 10603115550 is 5551130601.

10603115550 is a `hidden beast` number, since 1 + 0 + 603 + 1 + 1 + 5 + 5 + 50 = 666.

It is a super-2 number, since 2×10603115550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2076901 + ... + 2081999.

It is an arithmetic number, because the mean of its divisors is an integer number (395816525).

Almost surely, 2^10603115550 is an apocalyptic number.

10603115550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10603115550 is an abundant number, since it is smaller than the sum of its proper divisors (17895674250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10603115550 is a wasteful number, since it uses less digits than its factorization.

10603115550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738 (or 9730 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 10603115550 in words is "ten billion, six hundred three million, one hundred fifteen thousand, five hundred fifty".