1553101205201 has 32 divisors (see below), whose sum is σ = 1940630431488. Its totient is φ = 1210117708800.

The previous prime is 1553101205143. The next prime is 1553101205261. The reversal of 1553101205201 is 1025021013551.

It is not a de Polignac number, because 1553101205201 - 2²⁶ = 1553034096337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1553101205261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20893901 + ... + 20968101.

It is an arithmetic number, because the mean of its divisors is an integer number (60644700984).

Almost surely, 2^{1553101205201} is an apocalyptic number.

It is an amenable number.

1553101205201 is a deficient number, since it is larger than the sum of its proper divisors (387529226287).

1553101205201 is a wasteful number, since it uses less digits than its factorization.

1553101205201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77721.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 1553101205201 its reverse (1025021013551), we get a palindrome (2578122218752).

The spelling of 1553101205201 in words is "one trillion, five hundred fifty-three billion, one hundred one million, two hundred five thousand, two hundred one".