11895501965 has 8 divisors (see below), whose sum is σ = 14349339648. Its totient is φ = 9466576720.

The previous prime is 11895501901. The next prime is 11895501973. The reversal of 11895501965 is 56910559811.

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

It is not a de Polignac number, because 11895501965 - 2⁶ = 11895501901 is a prime.

It is a super-2 number, since 2×11895501965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6227057 + ... + 6228966.

It is an arithmetic number, because the mean of its divisors is an integer number (1793667456).

Almost surely, 2^11895501965 is an apocalyptic number.

It is an amenable number.

11895501965 is a deficient number, since it is larger than the sum of its proper divisors (2453837683).

11895501965 is a wasteful number, since it uses less digits than its factorization.

11895501965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456219.

The product of its (nonzero) digits is 486000, while the sum is 50.

The spelling of 11895501965 in words is "eleven billion, eight hundred ninety-five million, five hundred one thousand, nine hundred sixty-five".