1552555113253 has 4 divisors (see below), whose sum is σ = 1566294539148. Its totient is φ = 1538815687360.

The previous prime is 1552555113233. The next prime is 1552555113301. The reversal of 1552555113253 is 3523115552551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191023191844 + 1361531921409 = 437062^2 + 1166847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552555113253 - 2¹³ = 1552555105061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552555113223) 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, 6869712778 + ... + 6869713003.

It is an arithmetic number, because the mean of its divisors is an integer number (391573634787).

Almost surely, 2^{1552555113253} is an apocalyptic number.

It is an amenable number.

1552555113253 is a deficient number, since it is larger than the sum of its proper divisors (13739425895).

1552555113253 is a wasteful number, since it uses less digits than its factorization.

1552555113253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739425894.

The product of its digits is 562500, while the sum is 43.

The spelling of 1552555113253 in words is "one trillion, five hundred fifty-two billion, five hundred fifty-five million, one hundred thirteen thousand, two hundred fifty-three".