253711952101 has 2 divisors, whose sum is σ = 253711952102. Its totient is φ = 253711952100.

The previous prime is 253711952077. The next prime is 253711952111. The reversal of 253711952101 is 101259117352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238411499076 + 15300453025 = 488274^2 + 123695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253711952101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253711952111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126855976050 + 126855976051.

It is an arithmetic number, because the mean of its divisors is an integer number (126855976051).

Almost surely, 2^253711952101 is an apocalyptic number.

It is an amenable number.

253711952101 is a deficient number, since it is larger than the sum of its proper divisors (1).

253711952101 is an equidigital number, since it uses as much as digits as its factorization.

253711952101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 253711952101 in words is "two hundred fifty-three billion, seven hundred eleven million, nine hundred fifty-two thousand, one hundred one".