18122530901 has 8 divisors (see below), whose sum is σ = 19142179584. Its totient is φ = 17130072960.

The previous prime is 18122530889. The next prime is 18122530903. The reversal of 18122530901 is 10903522181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18122530901 - 2³⁴ = 942661717 is a prime.

It is a super-2 number, since 2×18122530901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18122530903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6796316 + ... + 6798981.

It is an arithmetic number, because the mean of its divisors is an integer number (2392772448).

Almost surely, 2^18122530901 is an apocalyptic number.

It is an amenable number.

18122530901 is a deficient number, since it is larger than the sum of its proper divisors (1019648683).

18122530901 is a wasteful number, since it uses less digits than its factorization.

18122530901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595371.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 18122530901 in words is "eighteen billion, one hundred twenty-two million, five hundred thirty thousand, nine hundred one".