1925349067811 has 4 divisors (see below), whose sum is σ = 2073452842272. Its totient is φ = 1777245293352.

The previous prime is 1925349067793. The next prime is 1925349067813. The reversal of 1925349067811 is 1187609435291.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1925349067811 - 2¹⁰ = 1925349066787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1925349067813) 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, 74051887211 + ... + 74051887236.

It is an arithmetic number, because the mean of its divisors is an integer number (518363210568).

It is a 1-persistent number, because it is pandigital, but 2⋅1925349067811 = 3850698135622 is not.

Almost surely, 2^{1925349067811} is an apocalyptic number.

1925349067811 is a deficient number, since it is larger than the sum of its proper divisors (148103774461).

1925349067811 is a wasteful number, since it uses less digits than its factorization.

1925349067811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148103774460.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 1925349067811 in words is "one trillion, nine hundred twenty-five billion, three hundred forty-nine million, sixty-seven thousand, eight hundred eleven".