16402551011 has 12 divisors (see below), whose sum is σ = 20815111800. Its totient is φ = 12781208160.

The previous prime is 16402550981. The next prime is 16402551037. The reversal of 16402551011 is 11015520461.

16402551011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16402551011 - 2²² = 16398356707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16402551911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15215186 + ... + 15216263.

It is an arithmetic number, because the mean of its divisors is an integer number (1734592650).

Almost surely, 2^16402551011 is an apocalyptic number.

16402551011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16402551011 is a deficient number, since it is larger than the sum of its proper divisors (4412560789).

16402551011 is a wasteful number, since it uses less digits than its factorization.

16402551011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30431474 (or 30431467 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 16402551011 in words is "sixteen billion, four hundred two million, five hundred fifty-one thousand, eleven".