126049801995 has 384 divisors, whose sum is σ = 281083944960. Its totient is φ = 53478973440.

The previous prime is 126049801991. The next prime is 126049802069. The reversal of 126049801995 is 599108940621.

126049801995 is a `hidden beast` number, since 1 + 2 + 60 + 498 + 0 + 1 + 9 + 95 = 666.

It is not a de Polignac number, because 126049801995 - 2² = 126049801991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126049801991) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 158154937 + ... + 158155733.

It is an arithmetic number, because the mean of its divisors is an integer number (731989440).

Almost surely, 2^126049801995 is an apocalyptic number.

126049801995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126049801995 is an abundant number, since it is smaller than the sum of its proper divisors (155034142965).

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

126049801995 is a wasteful number, since it uses less digits than its factorization.

126049801995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 126049801995 in words is "one hundred twenty-six billion, forty-nine million, eight hundred one thousand, nine hundred ninety-five".