10155777431 has 2 divisors, whose sum is σ = 10155777432. Its totient is φ = 10155777430.

The previous prime is 10155777391. The next prime is 10155777493. The reversal of 10155777431 is 13477755101.

It is a weak prime.

It is an emirp because it is prime and its reverse (13477755101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10155777431 - 2¹⁴ = 10155761047 is a prime.

It is a super-2 number, since 2×10155777431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10155077431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077888715 + 5077888716.

It is an arithmetic number, because the mean of its divisors is an integer number (5077888716).

Almost surely, 2^10155777431 is an apocalyptic number.

10155777431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155777431 is an equidigital number, since it uses as much as digits as its factorization.

10155777431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 10155777431 in words is "ten billion, one hundred fifty-five million, seven hundred seventy-seven thousand, four hundred thirty-one".