1201335152564 has 12 divisors (see below), whose sum is σ = 2103276334404. Its totient is φ = 600399057024.

The previous prime is 1201335152527. The next prime is 1201335152573. The reversal of 1201335152564 is 4652515331021.

It can be written as a sum of positive squares in 2 ways, for example, as 854437712164 + 346897440400 = 924358^2 + 588980^2 .

It is a super-2 number, since 2×1201335152564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 67119749 + ... + 67137644.

It is an arithmetic number, because the mean of its divisors is an integer number (175273027867).

Almost surely, 2^{1201335152564} is an apocalyptic number.

It is an amenable number.

1201335152564 is a deficient number, since it is larger than the sum of its proper divisors (901941181840).

1201335152564 is a wasteful number, since it uses less digits than its factorization.

1201335152564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134259634 (or 134259632 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 1201335152564 in words is "one trillion, two hundred one billion, three hundred thirty-five million, one hundred fifty-two thousand, five hundred sixty-four".