10503346666351 has 24 divisors (see below), whose sum is σ = 13329114388560. Its totient is φ = 8184308025600.

The previous prime is 10503346666343. The next prime is 10503346666381. The reversal of 10503346666351 is 15366664330501.

It is a happy number.

It is not a de Polignac number, because 10503346666351 - 2³ = 10503346666343 is a prime.

It is a super-2 number, since 2×10503346666351² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10503346666295 and 10503346666304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503346666381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67437895 + ... + 67593463.

It is an arithmetic number, because the mean of its divisors is an integer number (555379766190).

Almost surely, 2^{10503346666351} is an apocalyptic number.

10503346666351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10503346666351 is a deficient number, since it is larger than the sum of its proper divisors (2825767722209).

10503346666351 is a wasteful number, since it uses less digits than its factorization.

10503346666351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280855 (or 280848 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 10503346666351 in words is "ten trillion, five hundred three billion, three hundred forty-six million, six hundred sixty-six thousand, three hundred fifty-one".