10155787391 has 2 divisors, whose sum is σ = 10155787392. Its totient is φ = 10155787390.

The previous prime is 10155787361. The next prime is 10155787507. The reversal of 10155787391 is 19378755101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10155787391 - 2¹⁴ = 10155771007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10155787321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077893695 + 5077893696.

It is an arithmetic number, because the mean of its divisors is an integer number (5077893696).

Almost surely, 2^10155787391 is an apocalyptic number.

10155787391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155787391 is an equidigital number, since it uses as much as digits as its factorization.

10155787391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 10155787391 in words is "ten billion, one hundred fifty-five million, seven hundred eighty-seven thousand, three hundred ninety-one".