12611031541000 has 32 divisors (see below), whose sum is σ = 29509813808280. Its totient is φ = 5044412616000.

The previous prime is 12611031540977. The next prime is 12611031541007. The reversal of 12611031541000 is 14513011621.

It can be written as a sum of positive squares in 4 ways, for example, as 7757038241316 + 4853993299684 = 2785146^2 + 2203178^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12611031541007) 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, 6305514771 + ... + 6305516770.

Almost surely, 2^{12611031541000} is an apocalyptic number.

12611031541000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12611031541000 is an abundant number, since it is smaller than the sum of its proper divisors (16898782267280).

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

12611031541000 is a wasteful number, since it uses less digits than its factorization.

12611031541000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611031562 (or 12611031548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 12611031541000 its reverse (14513011621), we get a palindrome (12625544552621).

The spelling of 12611031541000 in words is "twelve trillion, six hundred eleven billion, thirty-one million, five hundred forty-one thousand".