11651894032 has 10 divisors (see below), whose sum is σ = 22575544718. Its totient is φ = 5825947008.

The previous prime is 11651893999. The next prime is 11651894053. The reversal of 11651894032 is 23049815611.

It can be written as a sum of positive squares in only one way, i.e., 7916728576 + 3735165456 = 88976^2 + 61116^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364121673 + ... + 364121704.

Almost surely, 2^11651894032 is an apocalyptic number.

It is an amenable number.

11651894032 is a deficient number, since it is larger than the sum of its proper divisors (10923650686).

11651894032 is an equidigital number, since it uses as much as digits as its factorization.

11651894032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728243385 (or 728243379 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11651894032 in words is "eleven billion, six hundred fifty-one million, eight hundred ninety-four thousand, thirty-two".