10561378360 has 32 divisors (see below), whose sum is σ = 25591033440. Its totient is φ = 3899585664.

The previous prime is 10561378357. The next prime is 10561378363. The reversal of 10561378360 is 6387316501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10561378357) and next prime (10561378363).

It is a super-2 number, since 2×10561378360² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561378363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154652 + ... + 10155691.

It is an arithmetic number, because the mean of its divisors is an integer number (799719795).

Almost surely, 2^10561378360 is an apocalyptic number.

10561378360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561378360 is an abundant number, since it is smaller than the sum of its proper divisors (15029655080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561378360 is a wasteful number, since it uses less digits than its factorization.

10561378360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310367 (or 20310363 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 10561378360 in words is "ten billion, five hundred sixty-one million, three hundred seventy-eight thousand, three hundred sixty".