61514125250 has 32 divisors (see below), whose sum is σ = 116731935216. Its totient is φ = 24268579200.

The previous prime is 61514125247. The next prime is 61514125259. The reversal of 61514125250 is 5252141516.

It can be written as a sum of positive squares in 8 ways, for example, as 445336609 + 61068788641 = 21103^2 + 247121^2 .

It is not an unprimeable number, because it can be changed into a prime (61514125259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667069 + ... + 1703568.

Almost surely, 2^61514125250 is an apocalyptic number.

61514125250 is a deficient number, since it is larger than the sum of its proper divisors (55217809966).

61514125250 is a wasteful number, since it uses less digits than its factorization.

61514125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370727 (or 3370717 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 61514125250 its reverse (5252141516), we get a palindrome (66766266766).

The spelling of 61514125250 in words is "sixty-one billion, five hundred fourteen million, one hundred twenty-five thousand, two hundred fifty".