5555204521131 has 32 divisors (see below), whose sum is σ = 7653862408192. Its totient is φ = 3581715140640.

The previous prime is 5555204521127. The next prime is 5555204521177. The reversal of 5555204521131 is 1311254025555.

It is not a de Polignac number, because 5555204521131 - 2² = 5555204521127 is a prime.

It is a super-2 number, since 2×5555204521131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555204521131.

It is not an unprimeable number, because it can be changed into a prime (5555204561131) 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, 108808296 + ... + 108859338.

It is an arithmetic number, because the mean of its divisors is an integer number (239183200256).

Almost surely, 2^{5555204521131} is an apocalyptic number.

5555204521131 is a deficient number, since it is larger than the sum of its proper divisors (2098657887061).

5555204521131 is a wasteful number, since it uses less digits than its factorization.

5555204521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59383.

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 5555204521131 its reverse (1311254025555), we get a palindrome (6866458546686).

The spelling of 5555204521131 in words is "five trillion, five hundred fifty-five billion, two hundred four million, five hundred twenty-one thousand, one hundred thirty-one".