1151009964 has 36 divisors (see below), whose sum is σ = 3133306176. Its totient is φ = 354156768.

The previous prime is 1151009879. The next prime is 1151009969. The reversal of 1151009964 is 4699001511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1151009969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229244 + ... + 1230179.

Almost surely, 2^1151009964 is an apocalyptic number.

It is an amenable number.

1151009964 is an abundant number, since it is smaller than the sum of its proper divisors (1982296212).

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

1151009964 is a wasteful number, since it uses less digits than its factorization.

1151009964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459446 (or 2459441 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1151009964 is about 33926.5377543893. The cubic root of 1151009964 is about 1047.9961674102.

The spelling of 1151009964 in words is "one billion, one hundred fifty-one million, nine thousand, nine hundred sixty-four".