201125051377 has 2 divisors, whose sum is σ = 201125051378. Its totient is φ = 201125051376.

The previous prime is 201125051299. The next prime is 201125051441. The reversal of 201125051377 is 773150521102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178864709776 + 22260341601 = 422924^2 + 149199^2 .

It is a cyclic number.

It is not a de Polignac number, because 201125051377 - 2³¹ = 198977567729 is a prime.

It is a super-2 number, since 2×201125051377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201125051177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100562525688 + 100562525689.

It is an arithmetic number, because the mean of its divisors is an integer number (100562525689).

Almost surely, 2^201125051377 is an apocalyptic number.

It is an amenable number.

201125051377 is a deficient number, since it is larger than the sum of its proper divisors (1).

201125051377 is an equidigital number, since it uses as much as digits as its factorization.

201125051377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 34.

Adding to 201125051377 its reverse (773150521102), we get a palindrome (974275572479).

The spelling of 201125051377 in words is "two hundred one billion, one hundred twenty-five million, fifty-one thousand, three hundred seventy-seven".