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125233900061 is a prime number
BaseRepresentation
bin111010010100010000…
…1011010101000011101
3102222020202200021121212
41310220201122220131
54022434334300221
6133310501034205
712022261405154
oct1645041325035
9388222607555
10125233900061
11491252a9766
12203306b5965
13ba6a63c45a
1460c04d259b
1533ce710b5b
hex1d2885aa1d

125233900061 has 2 divisors, whose sum is σ = 125233900062. Its totient is φ = 125233900060.

The previous prime is 125233900009. The next prime is 125233900069. The reversal of 125233900061 is 160009332521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72586597561 + 52647302500 = 269419^2 + 229450^2 .

It is an emirp because it is prime and its reverse (160009332521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125233900061 - 230 = 124160158237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125233900069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62616950030 + 62616950031.

It is an arithmetic number, because the mean of its divisors is an integer number (62616950031).

Almost surely, 2125233900061 is an apocalyptic number.

It is an amenable number.

125233900061 is a deficient number, since it is larger than the sum of its proper divisors (1).

125233900061 is an equidigital number, since it uses as much as digits as its factorization.

125233900061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 125233900061 in words is "one hundred twenty-five billion, two hundred thirty-three million, nine hundred thousand, sixty-one".