2505077578050 has 48 divisors (see below), whose sum is σ = 6426819728640. Its totient is φ = 644985490240.

The previous prime is 2505077578049. The next prime is 2505077578057. The reversal of 2505077578050 is 508757705052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2505077577984 and 2505077578002.

It is not an unprimeable number, because it can be changed into a prime (2505077578057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287935602 + ... + 287944301.

It is an arithmetic number, because the mean of its divisors is an integer number (133892077680).

Almost surely, 2^{2505077578050} is an apocalyptic number.

2505077578050 is an abundant number, since it is smaller than the sum of its proper divisors (3921742150590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505077578050 is a wasteful number, since it uses less digits than its factorization.

2505077578050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575879947 (or 575879942 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 51.

The spelling of 2505077578050 in words is "two trillion, five hundred five billion, seventy-seven million, five hundred seventy-eight thousand, fifty".