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61011151116 = 2235084262593
BaseRepresentation
bin111000110100100011…
…000100100100001100
312211110222020121022120
4320310203010210030
51444422323313431
644010024412540
74256625141066
oct706443044414
9184428217276
1061011151116
1123969227943
12b9a8617150
1359a409cb66
142d4aca4736
1518c13d8196
hexe348c490c

61011151116 has 12 divisors (see below), whose sum is σ = 142359352632. Its totient is φ = 20337050368.

The previous prime is 61011151081. The next prime is 61011151127. The reversal of 61011151116 is 61115111016.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542131285 + ... + 2542131308.

It is an arithmetic number, because the mean of its divisors is an integer number (11863279386).

Almost surely, 261011151116 is an apocalyptic number.

It is an amenable number.

61011151116 is an abundant number, since it is smaller than the sum of its proper divisors (81348201516).

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

61011151116 is a wasteful number, since it uses less digits than its factorization.

61011151116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084262600 (or 5084262598 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 24.

The spelling of 61011151116 in words is "sixty-one billion, eleven million, one hundred fifty-one thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 5084262593 10168525186 15252787779 20337050372 30505575558 61011151116