61197325505150 has 24 divisors (see below), whose sum is σ = 113829061862160. Its totient is φ = 24478492261760.

The previous prime is 61197325505131. The next prime is 61197325505171. The reversal of 61197325505150 is 5150552379116.

It is a super-2 number, since 2×61197325505150² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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, 8118539 + ... + 13722438.

It is an arithmetic number, because the mean of its divisors is an integer number (4742877577590).

Almost surely, 2^{61197325505150} is an apocalyptic number.

61197325505150 is a deficient number, since it is larger than the sum of its proper divisors (52631736357010).

61197325505150 is a wasteful number, since it uses less digits than its factorization.

61197325505150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897028 (or 21897023 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 50.

The spelling of 61197325505150 in words is "sixty-one trillion, one hundred ninety-seven billion, three hundred twenty-five million, five hundred five thousand, one hundred fifty".