2500555550055 has 32 divisors (see below), whose sum is σ = 4211552467200. Its totient is φ = 1263411447552.

The previous prime is 2500555550047. The next prime is 2500555550089. The reversal of 2500555550055 is 5500555550052.

It is not a de Polignac number, because 2500555550055 - 2³ = 2500555550047 is a prime.

It is a super-2 number, since 2×2500555550055² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2500555549989 and 2500555550016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23812656 + ... + 23917434.

It is an arithmetic number, because the mean of its divisors is an integer number (131611014600).

Almost surely, 2^{2500555550055} is an apocalyptic number.

2500555550055 is a deficient number, since it is larger than the sum of its proper divisors (1710996917145).

2500555550055 is a wasteful number, since it uses less digits than its factorization.

2500555550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188543.

The product of its (nonzero) digits is 781250, while the sum is 42.

The spelling of 2500555550055 in words is "two trillion, five hundred billion, five hundred fifty-five million, five hundred fifty thousand, fifty-five".