1153572465 has 32 divisors (see below), whose sum is σ = 1945829376. Its totient is φ = 582713280.

The previous prime is 1153572461. The next prime is 1153572467. The reversal of 1153572465 is 5642753511.

It is not a de Polignac number, because 1153572465 - 2² = 1153572461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153572461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4537 + ... + 48246.

It is an arithmetic number, because the mean of its divisors is an integer number (60807168).

Almost surely, 2^1153572465 is an apocalyptic number.

1153572465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153572465 is a deficient number, since it is larger than the sum of its proper divisors (792256911).

1153572465 is a wasteful number, since it uses less digits than its factorization.

1153572465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52869.

The product of its digits is 126000, while the sum is 39.

The square root of 1153572465 is about 33964.2821946821. The cubic root of 1153572465 is about 1048.7733112124.

The spelling of 1153572465 in words is "one billion, one hundred fifty-three million, five hundred seventy-two thousand, four hundred sixty-five".