1151240465 has 8 divisors (see below), whose sum is σ = 1385255040. Its totient is φ = 918481392.

The previous prime is 1151240429. The next prime is 1151240471. The reversal of 1151240465 is 5640421511.

1151240465 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1151240465 - 2¹² = 1151236369 is a prime.

It is a Curzon 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, 311855 + ... + 315524.

It is an arithmetic number, because the mean of its divisors is an integer number (173156880).

Almost surely, 2^1151240465 is an apocalyptic number.

It is an amenable number.

1151240465 is a deficient number, since it is larger than the sum of its proper divisors (234014575).

1151240465 is an equidigital number, since it uses as much as digits as its factorization.

1151240465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627751.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1151240465 is about 33929.9346447941. The cubic root of 1151240465 is about 1048.0661199008.

Adding to 1151240465 its reverse (5640421511), we get a palindrome (6791661976).

The spelling of 1151240465 in words is "one billion, one hundred fifty-one million, two hundred forty thousand, four hundred sixty-five".