6131129548 has 24 divisors (see below), whose sum is σ = 11170433792. Its totient is φ = 2941847424.

The previous prime is 6131129533. The next prime is 6131129549. The reversal of 6131129548 is 8459211316.

It is a self number, because there is not a number n which added to its sum of digits gives 6131129548.

It is not an unprimeable number, because it can be changed into a prime (6131129549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272940 + ... + 294547.

Almost surely, 2^6131129548 is an apocalyptic number.

It is an amenable number.

6131129548 is a deficient number, since it is larger than the sum of its proper divisors (5039304244).

6131129548 is a wasteful number, since it uses less digits than its factorization.

6131129548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567601 (or 567599 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 6131129548 is about 78301.5296657735. The cubic root of 6131129548 is about 1830.2629886706.

The spelling of 6131129548 in words is "six billion, one hundred thirty-one million, one hundred twenty-nine thousand, five hundred forty-eight".