1253564642276 has 12 divisors (see below), whose sum is σ = 2193767092608. Its totient is φ = 626774044392.

The previous prime is 1253564642261. The next prime is 1253564642287. The reversal of 1253564642276 is 6722464653521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721936 + ... + 2339271.

It is an arithmetic number, because the mean of its divisors is an integer number (182813924384).

Almost surely, 2^{1253564642276} is an apocalyptic number.

It is an amenable number.

1253564642276 is a deficient number, since it is larger than the sum of its proper divisors (940202450332).

1253564642276 is a wasteful number, since it uses less digits than its factorization.

1253564642276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138378 (or 4138376 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 53.

The spelling of 1253564642276 in words is "one trillion, two hundred fifty-three billion, five hundred sixty-four million, six hundred forty-two thousand, two hundred seventy-six".