2553501121 has 16 divisors (see below), whose sum is σ = 2661218560. Its totient is φ = 2448351360.

The previous prime is 2553501109. The next prime is 2553501131. The reversal of 2553501121 is 1211053552.

It is a cyclic number.

It is not a de Polignac number, because 2553501121 - 2¹⁷ = 2553370049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553501131) 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, 612781 + ... + 616933.

It is an arithmetic number, because the mean of its divisors is an integer number (166326160).

Almost surely, 2^2553501121 is an apocalyptic number.

It is an amenable number.

2553501121 is a deficient number, since it is larger than the sum of its proper divisors (107717439).

2553501121 is a wasteful number, since it uses less digits than its factorization.

2553501121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2553501121 is about 50532.1790644338. The cubic root of 2553501121 is about 1366.8221798512.

Adding to 2553501121 its reverse (1211053552), we get a palindrome (3764554673).

The spelling of 2553501121 in words is "two billion, five hundred fifty-three million, five hundred one thousand, one hundred twenty-one".