12551488026 has 48 divisors (see below), whose sum is σ = 31534329792. Its totient is φ = 3260125440.

The previous prime is 12551488013. The next prime is 12551488049. The reversal of 12551488026 is 62088415521.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1229815 + ... + 1239978.

It is an arithmetic number, because the mean of its divisors is an integer number (656965204).

Almost surely, 2^12551488026 is an apocalyptic number.

12551488026 is an abundant number, since it is smaller than the sum of its proper divisors (18982841766).

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

12551488026 is a wasteful number, since it uses less digits than its factorization.

12551488026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469827 (or 2469816 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 12551488026 in words is "twelve billion, five hundred fifty-one million, four hundred eighty-eight thousand, twenty-six".