125846463919 has 16 divisors (see below), whose sum is σ = 144524540160. Its totient is φ = 108375624000.

The previous prime is 125846463917. The next prime is 125846463959. The reversal of 125846463919 is 919364648521.

It is a cyclic number.

It is not a de Polignac number, because 125846463919 - 2¹ = 125846463917 is a prime.

It is a super-2 number, since 2×125846463919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125846463917) 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 15 ways as a sum of consecutive naturals, for example, 4565659 + ... + 4593139.

It is an arithmetic number, because the mean of its divisors is an integer number (9032783760).

Almost surely, 2^125846463919 is an apocalyptic number.

125846463919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125846463919 is a deficient number, since it is larger than the sum of its proper divisors (18678076241).

125846463919 is a wasteful number, since it uses less digits than its factorization.

125846463919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49422.

The product of its digits is 11197440, while the sum is 58.

The spelling of 125846463919 in words is "one hundred twenty-five billion, eight hundred forty-six million, four hundred sixty-three thousand, nine hundred nineteen".