68800155152 has 10 divisors (see below), whose sum is σ = 133300300638. Its totient is φ = 34400077568.

The previous prime is 68800155121. The next prime is 68800155173. The reversal of 68800155152 is 25155100886.

It can be written as a sum of positive squares in only one way, i.e., 35873875216 + 32926279936 = 189404^2 + 181456^2 .

It is a super-2 number, since 2×68800155152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2150004833 + ... + 2150004864.

Almost surely, 2^68800155152 is an apocalyptic number.

It is an amenable number.

68800155152 is a deficient number, since it is larger than the sum of its proper divisors (64500145486).

68800155152 is a wasteful number, since it uses less digits than its factorization.

68800155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300009705 (or 4300009699 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 68800155152 in words is "sixty-eight billion, eight hundred million, one hundred fifty-five thousand, one hundred fifty-two".