10729540815 has 32 divisors (see below), whose sum is σ = 20076013056. Its totient is φ = 4790862720.

The previous prime is 10729540813. The next prime is 10729540819. The reversal of 10729540815 is 51804592701.

It is not a de Polignac number, because 10729540815 - 2¹ = 10729540813 is a prime.

It is a super-2 number, since 2×10729540815² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10729540813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1183696 + ... + 1192725.

It is an arithmetic number, because the mean of its divisors is an integer number (627375408).

Almost surely, 2^10729540815 is an apocalyptic number.

10729540815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10729540815 is a deficient number, since it is larger than the sum of its proper divisors (9346472241).

10729540815 is a wasteful number, since it uses less digits than its factorization.

10729540815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376479.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 10729540815 in words is "ten billion, seven hundred twenty-nine million, five hundred forty thousand, eight hundred fifteen".