1491126038158 has 32 divisors (see below), whose sum is σ = 2301160324320. Its totient is φ = 724144291200.

The previous prime is 1491126038153. The next prime is 1491126038161. The reversal of 1491126038158 is 8518306211941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491126038153) 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, 108763008 + ... + 108776716.

It is an arithmetic number, because the mean of its divisors is an integer number (71911260135).

Almost surely, 2^{1491126038158} is an apocalyptic number.

1491126038158 is a deficient number, since it is larger than the sum of its proper divisors (810034286162).

1491126038158 is a wasteful number, since it uses less digits than its factorization.

1491126038158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16212.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 1491126038158 in words is "one trillion, four hundred ninety-one billion, one hundred twenty-six million, thirty-eight thousand, one hundred fifty-eight".