149633840511 has 32 divisors (see below), whose sum is σ = 229075107840. Its totient is φ = 96434863200.

The previous prime is 149633840441. The next prime is 149633840539. The reversal of 149633840511 is 115048336941.

149633840511 is a `hidden beast` number, since 1 + 4 + 9 + 63 + 38 + 40 + 511 = 666.

It is not a de Polignac number, because 149633840511 - 2¹³ = 149633832319 is a prime.

It is a super-2 number, since 2×149633840511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149633840011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692626 + ... + 882608.

It is an arithmetic number, because the mean of its divisors is an integer number (7158597120).

Almost surely, 2^149633840511 is an apocalyptic number.

149633840511 is a deficient number, since it is larger than the sum of its proper divisors (79441267329).

149633840511 is a wasteful number, since it uses less digits than its factorization.

149633840511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190964 (or 190958 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 149633840511 in words is "one hundred forty-nine billion, six hundred thirty-three million, eight hundred forty thousand, five hundred eleven".