5187122740850 has 24 divisors (see below), whose sum is σ = 9657141750468. Its totient is φ = 2072893515200.

The previous prime is 5187122740771. The next prime is 5187122740859. The reversal of 5187122740850 is 580472217815.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3520077658969 + 1667045081881 = 1876187^2 + 1291141^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (5187122740859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48835949 + ... + 48942048.

Almost surely, 2^{5187122740850} is an apocalyptic number.

5187122740850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5187122740850 is a deficient number, since it is larger than the sum of its proper divisors (4470019009618).

5187122740850 is a wasteful number, since it uses less digits than its factorization.

5187122740850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97779070 (or 97779065 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 5187122740850 in words is "five trillion, one hundred eighty-seven billion, one hundred twenty-two million, seven hundred forty thousand, eight hundred fifty".