1253005511312 has 20 divisors (see below), whose sum is σ = 2486910330156. Its totient is φ = 611222200320.

The previous prime is 1253005511311. The next prime is 1253005511413. The reversal of 1253005511312 is 2131155003521.

It can be written as a sum of positive squares in 2 ways, for example, as 530240286976 + 722765224336 = 728176^2 + 850156^2 .

It is a super-2 number, since 2×1253005511312² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253005511311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955034033 + ... + 955035344.

Almost surely, 2^{1253005511312} is an apocalyptic number.

It is an amenable number.

1253005511312 is a deficient number, since it is larger than the sum of its proper divisors (1233904818844).

1253005511312 is a wasteful number, since it uses less digits than its factorization.

1253005511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910069426 (or 1910069420 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 1253005511312 in words is "one trillion, two hundred fifty-three billion, five million, five hundred eleven thousand, three hundred twelve".