1553125562553 has 16 divisors (see below), whose sum is σ = 2204761942656. Its totient is φ = 969126117120.

The previous prime is 1553125562531. The next prime is 1553125562581. The reversal of 1553125562553 is 3552655213551.

It is not a de Polignac number, because 1553125562553 - 2¹³ = 1553125554361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1553125563553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84116301 + ... + 84134762.

It is an arithmetic number, because the mean of its divisors is an integer number (137797621416).

Almost surely, 2^{1553125562553} is an apocalyptic number.

It is an amenable number.

1553125562553 is a deficient number, since it is larger than the sum of its proper divisors (651636380103).

1553125562553 is a wasteful number, since it uses less digits than its factorization.

1553125562553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168251264.

The product of its digits is 3375000, while the sum is 48.

The spelling of 1553125562553 in words is "one trillion, five hundred fifty-three billion, one hundred twenty-five million, five hundred sixty-two thousand, five hundred fifty-three".