10445355261 has 12 divisors (see below), whose sum is σ = 16459347840. Its totient is φ = 6330518280.

The previous prime is 10445355251. The next prime is 10445355269. The reversal of 10445355261 is 16255354401.

10445355261 is a `hidden beast` number, since 1 + 0 + 4 + 45 + 3 + 552 + 61 = 666.

It is not a de Polignac number, because 10445355261 - 2⁵ = 10445355229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10445355269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52754221 + ... + 52754418.

It is an arithmetic number, because the mean of its divisors is an integer number (1371612320).

Almost surely, 2^10445355261 is an apocalyptic number.

10445355261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10445355261 is a deficient number, since it is larger than the sum of its proper divisors (6013992579).

10445355261 is a wasteful number, since it uses less digits than its factorization.

10445355261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105508656 (or 105508653 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 10445355261 in words is "ten billion, four hundred forty-five million, three hundred fifty-five thousand, two hundred sixty-one".