11619684223487 has 4 divisors (see below), whose sum is σ = 11621010528816. Its totient is φ = 11618357918160.

The previous prime is 11619684223481. The next prime is 11619684223489. The reversal of 11619684223487 is 78432248691611.

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 11619684223487 - 2⁴ = 11619684223471 is a prime.

It is a super-2 number, since 2×11619684223487² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11619684223481) 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, 663139523 + ... + 663157044.

It is an arithmetic number, because the mean of its divisors is an integer number (2905252632204).

Almost surely, 2^{11619684223487} is an apocalyptic number.

11619684223487 is a deficient number, since it is larger than the sum of its proper divisors (1326305329).

11619684223487 is an equidigital number, since it uses as much as digits as its factorization.

11619684223487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326305328.

The product of its digits is 27869184, while the sum is 62.

The spelling of 11619684223487 in words is "eleven trillion, six hundred nineteen billion, six hundred eighty-four million, two hundred twenty-three thousand, four hundred eighty-seven".