1046117126251 has 4 divisors (see below), whose sum is σ = 1046155598104. Its totient is φ = 1046078654400.

The previous prime is 1046117126239. The next prime is 1046117126267. The reversal of 1046117126251 is 1526217116401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1046117126251 - 2¹⁷ = 1046116995179 is a prime.

It is a super-2 number, since 2×1046117126251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046117126251.

It is not an unprimeable number, because it can be changed into a prime (1046117129251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19195110 + ... + 19249531.

It is an arithmetic number, because the mean of its divisors is an integer number (261538899526).

Almost surely, 2^{1046117126251} is an apocalyptic number.

1046117126251 is a deficient number, since it is larger than the sum of its proper divisors (38471853).

1046117126251 is an equidigital number, since it uses as much as digits as its factorization.

1046117126251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471852.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 1046117126251 in words is "one trillion, forty-six billion, one hundred seventeen million, one hundred twenty-six thousand, two hundred fifty-one".