5715978181 has 8 divisors (see below), whose sum is σ = 5817178080. Its totient is φ = 5615548272.

The previous prime is 5715978167. The next prime is 5715978197. The reversal of 5715978181 is 1818795175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5715978181 - 2²⁷ = 5581760453 is a prime.

It is a super-2 number, since 2×5715978181² = 65344813131336137522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5715970181) 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, 177510 + ... + 207223.

It is an arithmetic number, because the mean of its divisors is an integer number (727147260).

Almost surely, 2^5715978181 is an apocalyptic number.

It is an amenable number.

5715978181 is a deficient number, since it is larger than the sum of its proper divisors (101199899).

5715978181 is a wasteful number, since it uses less digits than its factorization.

5715978181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384995.

The product of its digits is 705600, while the sum is 52.

The square root of 5715978181 is about 75604.0883881289. The cubic root of 5715978181 is about 1787.9835580010.

The spelling of 5715978181 in words is "five billion, seven hundred fifteen million, nine hundred seventy-eight thousand, one hundred eighty-one".