2505503341551 has 32 divisors (see below), whose sum is σ = 4055491335168. Its totient is φ = 1343164746240.

The previous prime is 2505503341513. The next prime is 2505503341577. The reversal of 2505503341551 is 1551433055052.

It is not a de Polignac number, because 2505503341551 - 2¹⁴ = 2505503325167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505503341591) 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, 11172280 + ... + 11394333.

It is an arithmetic number, because the mean of its divisors is an integer number (126734104224).

Almost surely, 2^{2505503341551} is an apocalyptic number.

2505503341551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2505503341551 is a deficient number, since it is larger than the sum of its proper divisors (1549987993617).

2505503341551 is a wasteful number, since it uses less digits than its factorization.

2505503341551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566951.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 2505503341551 in words is "two trillion, five hundred five billion, five hundred three million, three hundred forty-one thousand, five hundred fifty-one".