126557003060500 has 48 divisors (see below), whose sum is σ = 277789442112000. Its totient is φ = 50368415248800.

The previous prime is 126557003060489. The next prime is 126557003060503. The reversal of 126557003060500 is 5060300755621.

It is a super-3 number, since 3×126557003060500³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126557003060503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635865340 + ... + 636064339.

It is an arithmetic number, because the mean of its divisors is an integer number (5787280044000).

Almost surely, 2^{126557003060500} is an apocalyptic number.

126557003060500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126557003060500 is an abundant number, since it is smaller than the sum of its proper divisors (151232439051500).

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

126557003060500 is a wasteful number, since it uses less digits than its factorization.

126557003060500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271929897 (or 1271929885 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 126557003060500 in words is "one hundred twenty-six trillion, five hundred fifty-seven billion, three million, sixty thousand, five hundred".