2125544561236 has 48 divisors (see below), whose sum is σ = 3803456865600. Its totient is φ = 1039053477888.

The previous prime is 2125544561171. The next prime is 2125544561237. The reversal of 2125544561236 is 6321654455212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125544561237) 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, 36601255 + ... + 36659281.

It is an arithmetic number, because the mean of its divisors is an integer number (79238684700).

Almost surely, 2^{2125544561236} is an apocalyptic number.

It is an amenable number.

2125544561236 is a deficient number, since it is larger than the sum of its proper divisors (1677912304364).

2125544561236 is a wasteful number, since it uses less digits than its factorization.

2125544561236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58936 (or 58934 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The spelling of 2125544561236 in words is "two trillion, one hundred twenty-five billion, five hundred forty-four million, five hundred sixty-one thousand, two hundred thirty-six".