63125713737261 has 72 divisors (see below), whose sum is σ = 108413697918240. Its totient is φ = 35280444217536.

The previous prime is 63125713737239. The next prime is 63125713737283. The reversal of 63125713737261 is 16273731752136.

63125713737261 is a `hidden beast` number, since 6 + 3 + 1 + 2 + 5 + 7 + 1 + 373 + 7 + 261 = 666.

It is an interprime number because it is at equal distance from previous prime (63125713737239) and next prime (63125713737283).

It is not a de Polignac number, because 63125713737261 - 2⁶ = 63125713737197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63125713737198 and 63125713737207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63125713737221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1031971 + ... + 11283456.

It is an arithmetic number, because the mean of its divisors is an integer number (1505745804420).

Almost surely, 2^{63125713737261} is an apocalyptic number.

It is an amenable number.

63125713737261 is a deficient number, since it is larger than the sum of its proper divisors (45287984180979).

63125713737261 is a wasteful number, since it uses less digits than its factorization.

63125713737261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315703 (or 12315693 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The spelling of 63125713737261 in words is "sixty-three trillion, one hundred twenty-five billion, seven hundred thirteen million, seven hundred thirty-seven thousand, two hundred sixty-one".