61488518581154 has 48 divisors (see below), whose sum is σ = 111456050098176. Its totient is φ = 25347379579200.

The previous prime is 61488518581141. The next prime is 61488518581169. The reversal of 61488518581154 is 45118581588416.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107484194 + ... + 108054749.

It is an arithmetic number, because the mean of its divisors is an integer number (2322001043712).

Almost surely, 2^{61488518581154} is an apocalyptic number.

61488518581154 is a deficient number, since it is larger than the sum of its proper divisors (49967531517022).

61488518581154 is a wasteful number, since it uses less digits than its factorization.

61488518581154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215539071 (or 215539064 counting only the distinct ones).

The product of its digits is 49152000, while the sum is 65.

The spelling of 61488518581154 in words is "sixty-one trillion, four hundred eighty-eight billion, five hundred eighteen million, five hundred eighty-one thousand, one hundred fifty-four".