11651798212495 has 12 divisors (see below), whose sum is σ = 16264959137784. Its totient is φ = 7989804488400.

The previous prime is 11651798212451. The next prime is 11651798212531. The reversal of 11651798212495 is 59421289715611.

It is not a de Polignac number, because 11651798212495 - 2¹⁹ = 11651797688207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23779179781 + ... + 23779180270.

It is an arithmetic number, because the mean of its divisors is an integer number (1355413261482).

Almost surely, 2^{11651798212495} is an apocalyptic number.

11651798212495 is a deficient number, since it is larger than the sum of its proper divisors (4613160925289).

11651798212495 is an equidigital number, since it uses as much as digits as its factorization.

11651798212495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47558360070 (or 47558360063 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 61.

The spelling of 11651798212495 in words is "eleven trillion, six hundred fifty-one billion, seven hundred ninety-eight million, two hundred twelve thousand, four hundred ninety-five".