18100051052 has 6 divisors (see below), whose sum is σ = 31675089348. Its totient is φ = 9050025524.

The previous prime is 18100051051. The next prime is 18100051061. The reversal of 18100051052 is 25015000181.

It is a super-2 number, since 2×18100051052² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18100051051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262506378 + ... + 2262506385.

It is an arithmetic number, because the mean of its divisors is an integer number (5279181558).

Almost surely, 2^18100051052 is an apocalyptic number.

It is an amenable number.

18100051052 is a deficient number, since it is larger than the sum of its proper divisors (13575038296).

18100051052 is a wasteful number, since it uses less digits than its factorization.

18100051052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525012767 (or 4525012765 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 18100051052 in words is "eighteen billion, one hundred million, fifty-one thousand, fifty-two".