Search a number
-
+
10625391911 is a prime number
BaseRepresentation
bin10011110010101001…
…01001110100100111
31000102111112211112202
421321110221310213
5133230100020121
64514203005115
7524210224661
oct117124516447
930374484482
1010625391911
114562836232
12208650979b
131004436764
1472b239531
15422c4440b
hex279529d27

10625391911 has 2 divisors, whose sum is σ = 10625391912. Its totient is φ = 10625391910.

The previous prime is 10625391899. The next prime is 10625391937. The reversal of 10625391911 is 11919352601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10625391911 is a prime.

It is a super-2 number, since 2×106253919112 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10625391971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5312695955 + 5312695956.

It is an arithmetic number, because the mean of its divisors is an integer number (5312695956).

Almost surely, 210625391911 is an apocalyptic number.

10625391911 is a deficient number, since it is larger than the sum of its proper divisors (1).

10625391911 is an equidigital number, since it uses as much as digits as its factorization.

10625391911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 10625391911 in words is "ten billion, six hundred twenty-five million, three hundred ninety-one thousand, nine hundred eleven".