7157005078860 has 384 divisors, whose sum is σ = 27963887616000. Its totient is φ = 1510048915200.

The previous prime is 7157005078841. The next prime is 7157005078871. The reversal of 7157005078860 is 688705007517.

It is a happy number.

7157005078860 is a `hidden beast` number, since 7 + 1 + 5 + 70 + 0 + 507 + 8 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7157005078797 and 7157005078806.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 921685 + ... + 3894035.

It is an arithmetic number, because the mean of its divisors is an integer number (72822624000).

Almost surely, 2^{7157005078860} is an apocalyptic number.

7157005078860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7157005078860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13981943808000).

7157005078860 is an abundant number, since it is smaller than the sum of its proper divisors (20806882537140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7157005078860 is a wasteful number, since it uses less digits than its factorization.

7157005078860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972403 (or 2972381 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 54.

The spelling of 7157005078860 in words is "seven trillion, one hundred fifty-seven billion, five million, seventy-eight thousand, eight hundred sixty".