101044891357 has 2 divisors, whose sum is σ = 101044891358. Its totient is φ = 101044891356.

The previous prime is 101044891349. The next prime is 101044891399. The reversal of 101044891357 is 753198440101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86429532121 + 14615359236 = 293989^2 + 120894^2 .

It is a cyclic number.

It is not a de Polignac number, because 101044891357 - 2³ = 101044891349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101044891957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50522445678 + 50522445679.

It is an arithmetic number, because the mean of its divisors is an integer number (50522445679).

Almost surely, 2^101044891357 is an apocalyptic number.

It is an amenable number.

101044891357 is a deficient number, since it is larger than the sum of its proper divisors (1).

101044891357 is an equidigital number, since it uses as much as digits as its factorization.

101044891357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 101044891357 in words is "one hundred one billion, forty-four million, eight hundred ninety-one thousand, three hundred fifty-seven".