11990263612895 has 8 divisors (see below), whose sum is σ = 14433705347904. Its totient is φ = 9561951548704.

The previous prime is 11990263612889. The next prime is 11990263612933. The reversal of 11990263612895 is 59821636209911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11990263612895 is a prime.

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, 3782415959 + ... + 3782419128.

It is an arithmetic number, because the mean of its divisors is an integer number (1804213168488).

Almost surely, 2^{11990263612895} is an apocalyptic number.

11990263612895 is a deficient number, since it is larger than the sum of its proper divisors (2443441735009).

11990263612895 is an equidigital number, since it uses as much as digits as its factorization.

11990263612895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564835409.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 11990263612895 in words is "eleven trillion, nine hundred ninety billion, two hundred sixty-three million, six hundred twelve thousand, eight hundred ninety-five".