126893253178 has 32 divisors (see below), whose sum is σ = 196229537280. Its totient is φ = 61521564720.

The previous prime is 126893253173. The next prime is 126893253217. The reversal of 126893253178 is 871352398621.

It is a super-2 number, since 2×126893253178² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126893253173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081925 + ... + 2142007.

It is an arithmetic number, because the mean of its divisors is an integer number (6132173040).

Almost surely, 2^126893253178 is an apocalyptic number.

126893253178 is a deficient number, since it is larger than the sum of its proper divisors (69336284102).

126893253178 is a wasteful number, since it uses less digits than its factorization.

126893253178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60402.

The product of its digits is 4354560, while the sum is 55.

The spelling of 126893253178 in words is "one hundred twenty-six billion, eight hundred ninety-three million, two hundred fifty-three thousand, one hundred seventy-eight".