140155055551031 has 2 divisors, whose sum is σ = 140155055551032. Its totient is φ = 140155055551030.

The previous prime is 140155055551013. The next prime is 140155055551039. The reversal of 140155055551031 is 130155550551041.

Together with previous prime (140155055551013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140155055551031 is a prime.

It is a super-2 number, since 2×140155055551031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140155055551031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140155055551039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077527775515 + 70077527775516.

It is an arithmetic number, because the mean of its divisors is an integer number (70077527775516).

Almost surely, 2^{140155055551031} is an apocalyptic number.

140155055551031 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155055551031 is an equidigital number, since it uses as much as digits as its factorization.

140155055551031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 187500, while the sum is 41.

The spelling of 140155055551031 in words is "one hundred forty trillion, one hundred fifty-five billion, fifty-five million, five hundred fifty-one thousand, thirty-one".