149120950815 has 24 divisors (see below), whose sum is σ = 258514972560. Its totient is φ = 79519279104.

The previous prime is 149120950807. The next prime is 149120950831. The reversal of 149120950815 is 518059021941.

149120950815 is a `hidden beast` number, since 1 + 4 + 9 + 120 + 9 + 508 + 15 = 666.

It is not a de Polignac number, because 149120950815 - 2³ = 149120950807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60639 + ... + 549471.

It is an arithmetic number, because the mean of its divisors is an integer number (10771457190).

Almost surely, 2^149120950815 is an apocalyptic number.

149120950815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149120950815 is a deficient number, since it is larger than the sum of its proper divisors (109394021745).

149120950815 is a wasteful number, since it uses less digits than its factorization.

149120950815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495623 (or 495620 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 149120950815 in words is "one hundred forty-nine billion, one hundred twenty million, nine hundred fifty thousand, eight hundred fifteen".