18150149535 has 96 divisors (see below), whose sum is σ = 36356548032. Its totient is φ = 7680798720.

The previous prime is 18150149533. The next prime is 18150149557. The reversal of 18150149535 is 53594105181.

It is not a de Polignac number, because 18150149535 - 2¹ = 18150149533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18150149533) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 750289 + ... + 774101.

It is an arithmetic number, because the mean of its divisors is an integer number (378714042).

Almost surely, 2^18150149535 is an apocalyptic number.

18150149535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18150149535 is an abundant number, since it is smaller than the sum of its proper divisors (18206398497).

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

18150149535 is a wasteful number, since it uses less digits than its factorization.

18150149535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23913 (or 23906 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 18150149535 in words is "eighteen billion, one hundred fifty million, one hundred forty-nine thousand, five hundred thirty-five".