12541501650 has 24 divisors (see below), whose sum is σ = 31102924464. Its totient is φ = 3344400400.

The previous prime is 12541501619. The next prime is 12541501673. The reversal of 12541501650 is 5610514521.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41804856 + ... + 41805155.

It is an arithmetic number, because the mean of its divisors is an integer number (1295955186).

Almost surely, 2^12541501650 is an apocalyptic number.

12541501650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12541501650 is an abundant number, since it is smaller than the sum of its proper divisors (18561422814).

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

12541501650 is a wasteful number, since it uses less digits than its factorization.

12541501650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83610026 (or 83610021 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 12541501650 in words is "twelve billion, five hundred forty-one million, five hundred one thousand, six hundred fifty".