1332115521 has 16 divisors (see below), whose sum is σ = 1938321408. Its totient is φ = 807051600.

The previous prime is 1332115481. The next prime is 1332115531. The reversal of 1332115521 is 1255112331.

It is not a de Polignac number, because 1332115521 - 2¹¹ = 1332113473 is a prime.

It is a super-2 number, since 2×1332115521² = 3549063522578202882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1332115491 and 1332115500.

It is not an unprimeable number, because it can be changed into a prime (1332115531) 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, 117576 + ... + 128406.

It is an arithmetic number, because the mean of its divisors is an integer number (121145088).

Almost surely, 2^1332115521 is an apocalyptic number.

1332115521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332115521 is a deficient number, since it is larger than the sum of its proper divisors (606205887).

1332115521 is a wasteful number, since it uses less digits than its factorization.

1332115521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572.

The product of its digits is 900, while the sum is 24.

The square root of 1332115521 is about 36498.1577754275. The cubic root of 1332115521 is about 1100.3072202487.

Adding to 1332115521 its reverse (1255112331), we get a palindrome (2587227852).

The spelling of 1332115521 in words is "one billion, three hundred thirty-two million, one hundred fifteen thousand, five hundred twenty-one".