10722728644136 has 8 divisors (see below), whose sum is σ = 20105116207770. Its totient is φ = 5361364322064.

The previous prime is 10722728644091. The next prime is 10722728644157. The reversal of 10722728644136 is 63144682722701.

It can be written as a sum of positive squares in only one way, i.e., 10297616820100 + 425111824036 = 3208990^2 + 652006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10722728644136² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670170540251 + ... + 670170540266.

Almost surely, 2^{10722728644136} is an apocalyptic number.

It is an amenable number.

10722728644136 is a deficient number, since it is larger than the sum of its proper divisors (9382387563634).

10722728644136 is a wasteful number, since it uses less digits than its factorization.

10722728644136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340341080523 (or 1340341080519 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 10722728644136 in words is "ten trillion, seven hundred twenty-two billion, seven hundred twenty-eight million, six hundred forty-four thousand, one hundred thirty-six".