10503688761 has 12 divisors (see below), whose sum is σ = 15354791088. Its totient is φ = 6918091704.

The previous prime is 10503688721. The next prime is 10503688763. The reversal of 10503688761 is 16788630501.

10503688761 is a `hidden beast` number, since 1 + 0 + 503 + 6 + 8 + 87 + 61 = 666.

It is not a de Polignac number, because 10503688761 - 2⁷ = 10503688633 is a prime.

It is a super-2 number, since 2×10503688761² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10503688763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7029835 + ... + 7031328.

It is an arithmetic number, because the mean of its divisors is an integer number (1279565924).

Almost surely, 2^10503688761 is an apocalyptic number.

It is an amenable number.

10503688761 is a deficient number, since it is larger than the sum of its proper divisors (4851102327).

10503688761 is a wasteful number, since it uses less digits than its factorization.

10503688761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14061252 (or 14061249 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 10503688761 in words is "ten billion, five hundred three million, six hundred eighty-eight thousand, seven hundred sixty-one".