1525255251412 has 6 divisors (see below), whose sum is σ = 2669196689978. Its totient is φ = 762627625704.

The previous prime is 1525255251371. The next prime is 1525255251413. The reversal of 1525255251412 is 2141525525251.

It can be written as a sum of positive squares in only one way, i.e., 1222099296196 + 303155955216 = 1105486^2 + 550596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525255251413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190656906423 + ... + 190656906430.

Almost surely, 2^{1525255251412} is an apocalyptic number.

It is an amenable number.

1525255251412 is a deficient number, since it is larger than the sum of its proper divisors (1143941438566).

1525255251412 is a wasteful number, since it uses less digits than its factorization.

1525255251412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381313812857 (or 381313812855 counting only the distinct ones).

The product of its digits is 200000, while the sum is 40.

The spelling of 1525255251412 in words is "one trillion, five hundred twenty-five billion, two hundred fifty-five million, two hundred fifty-one thousand, four hundred twelve".