12151575580 has 24 divisors (see below), whose sum is σ = 25543945728. Its totient is φ = 4855747008.

The previous prime is 12151575539. The next prime is 12151575587. The reversal of 12151575580 is 8557515121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151575587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284764 + ... + 324643.

It is an arithmetic number, because the mean of its divisors is an integer number (1064331072).

Almost surely, 2^12151575580 is an apocalyptic number.

12151575580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12151575580 is an abundant number, since it is smaller than the sum of its proper divisors (13392370148).

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

12151575580 is a wasteful number, since it uses less digits than its factorization.

12151575580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610413 (or 610411 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 40.

The spelling of 12151575580 in words is "twelve billion, one hundred fifty-one million, five hundred seventy-five thousand, five hundred eighty".