11205541634 has 16 divisors (see below), whose sum is σ = 19307014848. Its totient is φ = 4777996272.

The previous prime is 11205541591. The next prime is 11205541639. The reversal of 11205541634 is 43614550211.

It is a super-2 number, since 2×11205541634² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11205541634.

It is not an unprimeable number, because it can be changed into a prime (11205541639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028704 + ... + 2034219.

It is an arithmetic number, because the mean of its divisors is an integer number (1206688428).

Almost surely, 2^11205541634 is an apocalyptic number.

11205541634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11205541634 is a deficient number, since it is larger than the sum of its proper divisors (8101473214).

11205541634 is a wasteful number, since it uses less digits than its factorization.

11205541634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063129.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11205541634 in words is "eleven billion, two hundred five million, five hundred forty-one thousand, six hundred thirty-four".