10261561412 has 12 divisors (see below), whose sum is σ = 18738503616. Its totient is φ = 4907703240.

The previous prime is 10261561391. The next prime is 10261561417. The reversal of 10261561412 is 21416516201.

It is a super-2 number, since 2×10261561412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10261561417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55769264 + ... + 55769447.

It is an arithmetic number, because the mean of its divisors is an integer number (1561541968).

Almost surely, 2^10261561412 is an apocalyptic number.

It is an amenable number.

10261561412 is a deficient number, since it is larger than the sum of its proper divisors (8476942204).

10261561412 is a wasteful number, since it uses less digits than its factorization.

10261561412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111538738 (or 111538736 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 10261561412 in words is "ten billion, two hundred sixty-one million, five hundred sixty-one thousand, four hundred twelve".