61231150171125 has 96 divisors (see below), whose sum is σ = 120417596088192. Its totient is φ = 29686904352000.

The previous prime is 61231150171117. The next prime is 61231150171133. The reversal of 61231150171125 is 52117105113216.

61231150171125 is a `hidden beast` number, since 6 + 1 + 2 + 31 + 1 + 501 + 7 + 112 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61231150171117) and next prime (61231150171133).

It is not a de Polignac number, because 61231150171125 - 2³ = 61231150171117 is a prime.

It is a super-2 number, since 2×61231150171125² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61231150171125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 562178922 + ... + 562287828.

It is an arithmetic number, because the mean of its divisors is an integer number (1254349959252).

Almost surely, 2^{61231150171125} is an apocalyptic number.

It is an amenable number.

61231150171125 is a deficient number, since it is larger than the sum of its proper divisors (59186445917067).

61231150171125 is a wasteful number, since it uses less digits than its factorization.

61231150171125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154372 (or 154359 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The spelling of 61231150171125 in words is "sixty-one trillion, two hundred thirty-one billion, one hundred fifty million, one hundred seventy-one thousand, one hundred twenty-five".