149109901056 has 216 divisors, whose sum is σ = 451230823680. Its totient is φ = 49102765056.

The previous prime is 149109900943. The next prime is 149109901103. The reversal of 149109901056 is 650109901941.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5148825 + ... + 5177703.

Almost surely, 2^149109901056 is an apocalyptic number.

149109901056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149109901056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225615411840).

149109901056 is an abundant number, since it is smaller than the sum of its proper divisors (302120922624).

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

149109901056 is an frugal number, since it uses more digits than its factorization.

149109901056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28993 (or 28967 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 149109901056 in words is "one hundred forty-nine billion, one hundred nine million, nine hundred one thousand, fifty-six".