101252311541 has 4 divisors (see below), whose sum is σ = 101686871052. Its totient is φ = 100817752032.

The previous prime is 101252311477. The next prime is 101252311543. The reversal of 101252311541 is 145113252101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66041290225 + 35211021316 = 256985^2 + 187646^2 .

It is a cyclic number.

It is not a de Polignac number, because 101252311541 - 2⁶ = 101252311477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101252311541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101252311543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217279406 + ... + 217279871.

It is an arithmetic number, because the mean of its divisors is an integer number (25421717763).

Almost surely, 2^101252311541 is an apocalyptic number.

It is an amenable number.

101252311541 is a deficient number, since it is larger than the sum of its proper divisors (434559511).

101252311541 is an equidigital number, since it uses as much as digits as its factorization.

101252311541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434559510.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 101252311541 its reverse (145113252101), we get a palindrome (246365563642).

The spelling of 101252311541 in words is "one hundred one billion, two hundred fifty-two million, three hundred eleven thousand, five hundred forty-one".