11486215461889 has 16 divisors (see below), whose sum is σ = 13205022097536. Its totient is φ = 9787044556800.

The previous prime is 11486215461821. The next prime is 11486215461937. The reversal of 11486215461889 is 98816451268411.

It is not a de Polignac number, because 11486215461889 - 2²¹ = 11486213364737 is a prime.

It is a super-2 number, since 2×11486215461889² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11486215461889.

It is not an unprimeable number, because it can be changed into a prime (11486219461889) 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, 5618502 + ... + 7385119.

It is an arithmetic number, because the mean of its divisors is an integer number (825313881096).

Almost surely, 2^{11486215461889} is an apocalyptic number.

It is an amenable number.

11486215461889 is a deficient number, since it is larger than the sum of its proper divisors (1718806635647).

11486215461889 is a wasteful number, since it uses less digits than its factorization.

11486215461889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004376.

The product of its digits is 26542080, while the sum is 64.

The spelling of 11486215461889 in words is "eleven trillion, four hundred eighty-six billion, two hundred fifteen million, four hundred sixty-one thousand, eight hundred eighty-nine".