11720457505098 has 48 divisors (see below), whose sum is σ = 26226691335936. Its totient is φ = 3778889621760.

The previous prime is 11720457505049. The next prime is 11720457505109. The reversal of 11720457505098 is 89050575402711.

11720457505098 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 0 + 45 + 7 + 505 + 0 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4176711 + ... + 6394202.

It is an arithmetic number, because the mean of its divisors is an integer number (546389402832).

Almost surely, 2^{11720457505098} is an apocalyptic number.

11720457505098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11720457505098 is an abundant number, since it is smaller than the sum of its proper divisors (14506233830838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11720457505098 is a wasteful number, since it uses less digits than its factorization.

11720457505098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572939 (or 10572936 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 54.

The spelling of 11720457505098 in words is "eleven trillion, seven hundred twenty billion, four hundred fifty-seven million, five hundred five thousand, ninety-eight".