61041115465020 has 96 divisors (see below), whose sum is σ = 189915168287040. Its totient is φ = 16276818585600.

The previous prime is 61041115464929. The next prime is 61041115465049. The reversal of 61041115465020 is 2056451114016.

61041115465020 is a `hidden beast` number, since 6 + 1 + 0 + 41 + 1 + 1 + 546 + 50 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8050920 + ... + 13671120.

It is an arithmetic number, because the mean of its divisors is an integer number (1978283002990).

Almost surely, 2^{61041115465020} is an apocalyptic number.

61041115465020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61041115465020 is an abundant number, since it is smaller than the sum of its proper divisors (128874052822020).

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

61041115465020 is a wasteful number, since it uses less digits than its factorization.

61041115465020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640332 (or 5640324 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 61041115465020 its reverse (2056451114016), we get a palindrome (63097566579036).

The spelling of 61041115465020 in words is "sixty-one trillion, forty-one billion, one hundred fifteen million, four hundred sixty-five thousand, twenty".