11928669425 has 6 divisors (see below), whose sum is σ = 14791550118. Its totient is φ = 9542935520.

The previous prime is 11928669413. The next prime is 11928669439. The reversal of 11928669425 is 52496682911.

It can be written as a sum of positive squares in 3 ways, for example, as 57259489 + 11871409936 = 7567^2 + 108956^2 .

It is not a de Polignac number, because 11928669425 - 2⁴ = 11928669409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238573364 + ... + 238573413.

It is an arithmetic number, because the mean of its divisors is an integer number (2465258353).

Almost surely, 2^11928669425 is an apocalyptic number.

It is an amenable number.

11928669425 is a deficient number, since it is larger than the sum of its proper divisors (2862880693).

11928669425 is an equidigital number, since it uses as much as digits as its factorization.

11928669425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477146787 (or 477146782 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The spelling of 11928669425 in words is "eleven billion, nine hundred twenty-eight million, six hundred sixty-nine thousand, four hundred twenty-five".