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11132252121 = 37297508531
BaseRepresentation
bin10100101111000100…
…01010111111011001
31001201211022000001010
422113202022333121
5140244324031441
65040350444133
7542603403354
oct122742127731
931654260033
1011132252121
1147a2958871
1221a8203649
131085451243
1477869929b
154524b5116
hex29788afd9

11132252121 has 8 divisors (see below), whose sum is σ = 14845066144. Its totient is φ = 7420469760.

The previous prime is 11132252113. The next prime is 11132252143. The reversal of 11132252121 is 12125223111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11132252121 - 23 = 11132252113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132252111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232375 + ... + 276156.

It is an arithmetic number, because the mean of its divisors is an integer number (1855633268).

Almost surely, 211132252121 is an apocalyptic number.

It is an amenable number.

11132252121 is a deficient number, since it is larger than the sum of its proper divisors (3712814023).

11132252121 is an equidigital number, since it uses as much as digits as its factorization.

11132252121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515831.

The product of its digits is 240, while the sum is 21.

Adding to 11132252121 its reverse (12125223111), we get a palindrome (23257475232).

The spelling of 11132252121 in words is "eleven billion, one hundred thirty-two million, two hundred fifty-two thousand, one hundred twenty-one".

Divisors: 1 3 7297 21891 508531 1525593 3710750707 11132252121