61141163265 has 96 divisors (see below), whose sum is σ = 130505147136. Its totient is φ = 25786252800.

The previous prime is 61141163257. The next prime is 61141163267. The reversal of 61141163265 is 56236114116.

61141163265 is a `hidden beast` number, since 6 + 1 + 1 + 4 + 11 + 632 + 6 + 5 = 666.

It is not a de Polignac number, because 61141163265 - 2³ = 61141163257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61141163267) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11672227 + ... + 11677463.

It is an arithmetic number, because the mean of its divisors is an integer number (1359428616).

Almost surely, 2^61141163265 is an apocalyptic number.

61141163265 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61141163265 is an abundant number, since it is smaller than the sum of its proper divisors (69363983871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61141163265 is a wasteful number, since it uses less digits than its factorization.

61141163265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119 (or 8116 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 61141163265 in words is "sixty-one billion, one hundred forty-one million, one hundred sixty-three thousand, two hundred sixty-five".