140155055551001 has 2 divisors, whose sum is σ = 140155055551002. Its totient is φ = 140155055551000.

The previous prime is 140155055550941. The next prime is 140155055551013. The reversal of 140155055551001 is 100155550551041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83217451969600 + 56937603581401 = 9122360^2 + 7545701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140155055551001 is a prime.

It is not a weakly prime, because it can be changed into another prime (140155055551031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077527775500 + 70077527775501.

It is an arithmetic number, because the mean of its divisors is an integer number (70077527775501).

Almost surely, 2^{140155055551001} is an apocalyptic number.

It is an amenable number.

140155055551001 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155055551001 is an equidigital number, since it uses as much as digits as its factorization.

140155055551001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62500, while the sum is 38.

The spelling of 140155055551001 in words is "one hundred forty trillion, one hundred fifty-five billion, fifty-five million, five hundred fifty-one thousand, one".