1151013465 has 48 divisors (see below), whose sum is σ = 2333155968. Its totient is φ = 513934848.

The previous prime is 1151013443. The next prime is 1151013481. The reversal of 1151013465 is 5643101511.

1151013465 is a `hidden beast` number, since 11 + 510 + 134 + 6 + 5 = 666.

It is not a de Polignac number, because 1151013465 - 2⁵ = 1151013433 is a prime.

It is a super-2 number, since 2×1151013465² = 2649663993222612450, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 28944 + ... + 56033.

It is an arithmetic number, because the mean of its divisors is an integer number (48607416).

Almost surely, 2^1151013465 is an apocalyptic number.

1151013465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151013465 is an abundant number, since it is smaller than the sum of its proper divisors (1182142503).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151013465 is a wasteful number, since it uses less digits than its factorization.

1151013465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85038 (or 85035 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1151013465 is about 33926.5893511269. The cubic root of 1151013465 is about 1047.9972299642.

Adding to 1151013465 its reverse (5643101511), we get a palindrome (6794114976).

The spelling of 1151013465 in words is "one billion, one hundred fifty-one million, thirteen thousand, four hundred sixty-five".