101157554893 has 2 divisors, whose sum is σ = 101157554894. Its totient is φ = 101157554892.

The previous prime is 101157554821. The next prime is 101157554899. The reversal of 101157554893 is 398455751101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89905224964 + 11252329929 = 299842^2 + 106077^2 .

It is an emirp because it is prime and its reverse (398455751101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101157554893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101157554899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50578777446 + 50578777447.

It is an arithmetic number, because the mean of its divisors is an integer number (50578777447).

Almost surely, 2^101157554893 is an apocalyptic number.

It is an amenable number.

101157554893 is a deficient number, since it is larger than the sum of its proper divisors (1).

101157554893 is an equidigital number, since it uses as much as digits as its factorization.

101157554893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 101157554893 in words is "one hundred one billion, one hundred fifty-seven million, five hundred fifty-four thousand, eight hundred ninety-three".