11928195457331 has 8 divisors (see below), whose sum is σ = 12471557817600. Its totient is φ = 11386895194312.

The previous prime is 11928195457327. The next prime is 11928195457369. The reversal of 11928195457331 is 13375459182911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11928195457331 - 2² = 11928195457327 is a prime.

It is a super-2 number, since 2×11928195457331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11928195457931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515512481 + ... + 515535618.

It is an arithmetic number, because the mean of its divisors is an integer number (1558944727200).

Almost surely, 2^{11928195457331} is an apocalyptic number.

11928195457331 is a deficient number, since it is larger than the sum of its proper divisors (543362360269).

11928195457331 is a wasteful number, since it uses less digits than its factorization.

11928195457331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031048625.

The product of its digits is 8164800, while the sum is 59.

The spelling of 11928195457331 in words is "eleven trillion, nine hundred twenty-eight billion, one hundred ninety-five million, four hundred fifty-seven thousand, three hundred thirty-one".