137750025025 has 6 divisors (see below), whose sum is σ = 170810031062. Its totient is φ = 110200020000.

The previous prime is 137750025011. The next prime is 137750025031. The reversal of 137750025025 is 520520057731.

It can be written as a sum of positive squares in 3 ways, for example, as 40370453776 + 97379571249 = 200924^2 + 312057^2 .

It is not a de Polignac number, because 137750025025 - 2⁹ = 137750024513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2755000476 + ... + 2755000525.

Almost surely, 2^137750025025 is an apocalyptic number.

It is an amenable number.

137750025025 is a deficient number, since it is larger than the sum of its proper divisors (33060006037).

137750025025 is an equidigital number, since it uses as much as digits as its factorization.

137750025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510001011 (or 5510001006 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The spelling of 137750025025 in words is "one hundred thirty-seven billion, seven hundred fifty million, twenty-five thousand, twenty-five".