1272744553598 has 16 divisors (see below), whose sum is σ = 2182227990624. Its totient is φ = 545366905440.

The previous prime is 1272744553579. The next prime is 1272744553603. The reversal of 1272744553598 is 8953554472721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272744553598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7837265 + ... + 7998012.

It is an arithmetic number, because the mean of its divisors is an integer number (136389249414).

Almost surely, 2^{1272744553598} is an apocalyptic number.

1272744553598 is a deficient number, since it is larger than the sum of its proper divisors (909483437026).

1272744553598 is a wasteful number, since it uses less digits than its factorization.

1272744553598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841027.

The product of its digits is 84672000, while the sum is 62.

The spelling of 1272744553598 in words is "one trillion, two hundred seventy-two billion, seven hundred forty-four million, five hundred fifty-three thousand, five hundred ninety-eight".