47661120025 has 12 divisors (see below), whose sum is σ = 59106859900. Its totient is φ = 38124334080.

The previous prime is 47661120011. The next prime is 47661120047. The reversal of 47661120025 is 52002116674.

47661120025 = 154371² + 154372².

47661120025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1500167824 + 46160952201 = 38732^2 + 214851^2 .

It is not a de Polignac number, because 47661120025 - 2⁵ = 47661119993 is a prime.

It is a super-3 number, since 3×47661120025³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107521 + ... + 326929.

Almost surely, 2^47661120025 is an apocalyptic number.

47661120025 is the 154372-nd centered square number.

It is an amenable number.

47661120025 is a deficient number, since it is larger than the sum of its proper divisors (11445739875).

47661120025 is a wasteful number, since it uses less digits than its factorization.

47661120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228108 (or 228103 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 47661120025 its reverse (52002116674), we get a palindrome (99663236699).

The spelling of 47661120025 in words is "forty-seven billion, six hundred sixty-one million, one hundred twenty thousand, twenty-five".