10745745521 has 24 divisors (see below), whose sum is σ = 13493459520. Its totient is φ = 8506351392.

The previous prime is 10745745503. The next prime is 10745745529. The reversal of 10745745521 is 12554754701.

It is not a de Polignac number, because 10745745521 - 2¹⁸ = 10745483377 is a prime.

It is a super-2 number, since 2×10745745521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10745745529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131711 + ... + 197076.

It is an arithmetic number, because the mean of its divisors is an integer number (562227480).

Almost surely, 2^10745745521 is an apocalyptic number.

It is an amenable number.

10745745521 is a deficient number, since it is larger than the sum of its proper divisors (2747713999).

10745745521 is a wasteful number, since it uses less digits than its factorization.

10745745521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328853 (or 328846 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 10745745521 in words is "ten billion, seven hundred forty-five million, seven hundred forty-five thousand, five hundred twenty-one".