61060489155 has 48 divisors (see below), whose sum is σ = 107977390560. Its totient is φ = 31910920704.

The previous prime is 61060489123. The next prime is 61060489201. The reversal of 61060489155 is 55198406016.

61060489155 is a `hidden beast` number, since 6 + 10 + 6 + 0 + 489 + 155 = 666.

It is not a de Polignac number, because 61060489155 - 2⁵ = 61060489123 is a prime.

It is a super-2 number, since 2×61060489155² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61060489155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794277 + ... + 867753.

It is an arithmetic number, because the mean of its divisors is an integer number (2249528970).

Almost surely, 2^61060489155 is an apocalyptic number.

61060489155 is a deficient number, since it is larger than the sum of its proper divisors (46916901405).

61060489155 is a wasteful number, since it uses less digits than its factorization.

61060489155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73860 (or 73857 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 61060489155 in words is "sixty-one billion, sixty million, four hundred eighty-nine thousand, one hundred fifty-five".