149791065885 has 32 divisors (see below), whose sum is σ = 271961095680. Its totient is φ = 78188808384.

The previous prime is 149791065829. The next prime is 149791065887. The reversal of 149791065885 is 588560197941.

149791065885 is a `hidden beast` number, since 1 + 49 + 7 + 9 + 1 + 0 + 6 + 588 + 5 = 666.

It is not a de Polignac number, because 149791065885 - 2¹¹ = 149791063837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149791065887) 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, 11797522 + ... + 11810211.

It is an arithmetic number, because the mean of its divisors is an integer number (8498784240).

Almost surely, 2^149791065885 is an apocalyptic number.

149791065885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149791065885 is a deficient number, since it is larger than the sum of its proper divisors (122170029795).

149791065885 is a wasteful number, since it uses less digits than its factorization.

149791065885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23607794 (or 23607788 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 63.

The spelling of 149791065885 in words is "one hundred forty-nine billion, seven hundred ninety-one million, sixty-five thousand, eight hundred eighty-five".