10503113454 has 32 divisors (see below), whose sum is σ = 24145092000. Its totient is φ = 3380311872.

The previous prime is 10503113371. The next prime is 10503113471. The reversal of 10503113454 is 45431130501.

It is a happy number.

10503113454 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 311 + 345 + 4 = 666.

10503113454 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10503113454² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351919 + ... + 3355050.

It is an arithmetic number, because the mean of its divisors is an integer number (754534125).

Almost surely, 2^10503113454 is an apocalyptic number.

10503113454 is an abundant number, since it is smaller than the sum of its proper divisors (13641978546).

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

10503113454 is a wasteful number, since it uses less digits than its factorization.

10503113454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707009 (or 6707003 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 10503113454 its reverse (45431130501), we get a palindrome (55934243955).

The spelling of 10503113454 in words is "ten billion, five hundred three million, one hundred thirteen thousand, four hundred fifty-four".