11651346888 has 16 divisors (see below), whose sum is σ = 29128367280. Its totient is φ = 3883782288.

The previous prime is 11651346887. The next prime is 11651346901. The reversal of 11651346888 is 88864315611.

It is a self number, because there is not a number n which added to its sum of digits gives 11651346888.

It is not an unprimeable number, because it can be changed into a prime (11651346887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242736370 + ... + 242736417.

It is an arithmetic number, because the mean of its divisors is an integer number (1820522955).

Almost surely, 2^11651346888 is an apocalyptic number.

It is an amenable number.

11651346888 is an abundant number, since it is smaller than the sum of its proper divisors (17477020392).

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

11651346888 is a wasteful number, since it uses less digits than its factorization.

11651346888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485472796 (or 485472792 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 11651346888 in words is "eleven billion, six hundred fifty-one million, three hundred forty-six thousand, eight hundred eighty-eight".