11152420465 has 8 divisors (see below), whose sum is σ = 13602296808. Its totient is φ = 8775674880.

The previous prime is 11152420457. The next prime is 11152420483. The reversal of 11152420465 is 56402425111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1389201984 + 9763218481 = 37272^2 + 98809^2 .

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

It is not a de Polignac number, because 11152420465 - 2³ = 11152420457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18282352 + ... + 18282961.

It is an arithmetic number, because the mean of its divisors is an integer number (1700287101).

Almost surely, 2^11152420465 is an apocalyptic number.

It is an amenable number.

11152420465 is a deficient number, since it is larger than the sum of its proper divisors (2449876343).

11152420465 is an equidigital number, since it uses as much as digits as its factorization.

11152420465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36565379.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 11152420465 its reverse (56402425111), we get a palindrome (67554845576).

The spelling of 11152420465 in words is "eleven billion, one hundred fifty-two million, four hundred twenty thousand, four hundred sixty-five".