8155631126 has 4 divisors (see below), whose sum is σ = 12233446692. Its totient is φ = 4077815562.

The previous prime is 8155631101. The next prime is 8155631147. The reversal of 8155631126 is 6211365518.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6211365518 = 2 ⋅3105682759.

It is a self number, because there is not a number n which added to its sum of digits gives 8155631126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038907780 + ... + 2038907783.

It is an arithmetic number, because the mean of its divisors is an integer number (3058361673).

Almost surely, 2^8155631126 is an apocalyptic number.

8155631126 is a deficient number, since it is larger than the sum of its proper divisors (4077815566).

8155631126 is a wasteful number, since it uses less digits than its factorization.

8155631126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077815565.

The product of its digits is 43200, while the sum is 38.

The square root of 8155631126 is about 90308.5329633917. The cubic root of 8155631126 is about 2012.8860569567.

The spelling of 8155631126 in words is "eight billion, one hundred fifty-five million, six hundred thirty-one thousand, one hundred twenty-six".