11312020019998 has 32 divisors (see below), whose sum is σ = 17616416220000. Its totient is φ = 5441316531840.

The previous prime is 11312020019983. The next prime is 11312020019999. The reversal of 11312020019998 is 89991002021311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312020019999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21649528 + ... + 22165876.

It is an arithmetic number, because the mean of its divisors is an integer number (550513006875).

Almost surely, 2^{11312020019998} is an apocalyptic number.

11312020019998 is a deficient number, since it is larger than the sum of its proper divisors (6304396200002).

11312020019998 is a wasteful number, since it uses less digits than its factorization.

11312020019998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517740.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 11312020019998 in words is "eleven trillion, three hundred twelve billion, twenty million, nineteen thousand, nine hundred ninety-eight".