1135520465 has 32 divisors (see below), whose sum is σ = 1501113600. Its totient is φ = 820765440.

The previous prime is 1135520447. The next prime is 1135520497. The reversal of 1135520465 is 5640255311.

It is not a de Polignac number, because 1135520465 - 2¹⁸ = 1135258321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111655 + ... + 1112675.

It is an arithmetic number, because the mean of its divisors is an integer number (46909800).

Almost surely, 2^1135520465 is an apocalyptic number.

It is an amenable number.

1135520465 is a deficient number, since it is larger than the sum of its proper divisors (365593135).

1135520465 is a wasteful number, since it uses less digits than its factorization.

1135520465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1135520465 is about 33697.4845500373. The cubic root of 1135520465 is about 1043.2738502995.

Adding to 1135520465 its reverse (5640255311), we get a palindrome (6775775776).

The spelling of 1135520465 in words is "one billion, one hundred thirty-five million, five hundred twenty thousand, four hundred sixty-five".