10925551909 has 4 divisors (see below), whose sum is σ = 10927550016. Its totient is φ = 10923553804.

The previous prime is 10925551907. The next prime is 10925551921. The reversal of 10925551909 is 90915552901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90915552901 = 31 ⋅2932759771.

It is a cyclic number.

It is not a de Polignac number, because 10925551909 - 2¹ = 10925551907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10925551907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990829 + ... + 1001794.

It is an arithmetic number, because the mean of its divisors is an integer number (2731887504).

Almost surely, 2^10925551909 is an apocalyptic number.

It is an amenable number.

10925551909 is a deficient number, since it is larger than the sum of its proper divisors (1998107).

10925551909 is an equidigital number, since it uses as much as digits as its factorization.

10925551909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998106.

The product of its (nonzero) digits is 182250, while the sum is 46.

The spelling of 10925551909 in words is "ten billion, nine hundred twenty-five million, five hundred fifty-one thousand, nine hundred nine".