10502140561 has 32 divisors (see below), whose sum is σ = 12342730752. Its totient is φ = 8839944960.

The previous prime is 10502140559. The next prime is 10502140573. The reversal of 10502140561 is 16504120501.

It is a happy number.

It is not a de Polignac number, because 10502140561 - 2¹ = 10502140559 is a prime.

It is a super-2 number, since 2×10502140561² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10502140511) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1225056 + ... + 1233598.

It is an arithmetic number, because the mean of its divisors is an integer number (385710336).

Almost surely, 2^10502140561 is an apocalyptic number.

10502140561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10502140561 is a deficient number, since it is larger than the sum of its proper divisors (1840590191).

10502140561 is a wasteful number, since it uses less digits than its factorization.

10502140561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 10502140561 in words is "ten billion, five hundred two million, one hundred forty thousand, five hundred sixty-one".