1400155361117 has 2 divisors, whose sum is σ = 1400155361118. Its totient is φ = 1400155361116.

The previous prime is 1400155361083. The next prime is 1400155361159. The reversal of 1400155361117 is 7111635510041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1379652271396 + 20503089721 = 1174586^2 + 143189^2 .

It is an emirp because it is prime and its reverse (7111635510041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400155361117 - 2⁸ = 1400155360861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400155361167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700077680558 + 700077680559.

It is an arithmetic number, because the mean of its divisors is an integer number (700077680559).

Almost surely, 2^{1400155361117} is an apocalyptic number.

It is an amenable number.

1400155361117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400155361117 is an equidigital number, since it uses as much as digits as its factorization.

1400155361117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 1400155361117 in words is "one trillion, four hundred billion, one hundred fifty-five million, three hundred sixty-one thousand, one hundred seventeen".