11072747898 has 32 divisors (see below), whose sum is σ = 24973369920. Its totient is φ = 3635826480.

The previous prime is 11072747893. The next prime is 11072747899. The reversal of 11072747898 is 89874727011.

11072747898 is a `hidden beast` number, since 1 + 10 + 72 + 7 + 478 + 98 = 666.

It is a super-3 number, since 3×11072747898³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11072747891) 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, 1526613 + ... + 1533848.

It is an arithmetic number, because the mean of its divisors is an integer number (780417810).

Almost surely, 2^11072747898 is an apocalyptic number.

11072747898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11072747898 is an abundant number, since it is smaller than the sum of its proper divisors (13900622022).

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

11072747898 is a wasteful number, since it uses less digits than its factorization.

11072747898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060539 (or 3060533 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 11072747898 in words is "eleven billion, seventy-two million, seven hundred forty-seven thousand, eight hundred ninety-eight".