1267158228495 has 32 divisors (see below), whose sum is σ = 2047641880320. Its totient is φ = 669114190080.

The previous prime is 1267158228461. The next prime is 1267158228563. The reversal of 1267158228495 is 5948228517621.

It is not a de Polignac number, because 1267158228495 - 2¹¹ = 1267158226447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34641 + ... + 1592330.

It is an arithmetic number, because the mean of its divisors is an integer number (63988808760).

Almost surely, 2^{1267158228495} is an apocalyptic number.

1267158228495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1267158228495 is a deficient number, since it is larger than the sum of its proper divisors (780483651825).

1267158228495 is a wasteful number, since it uses less digits than its factorization.

1267158228495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627495.

The product of its digits is 19353600, while the sum is 60.

The spelling of 1267158228495 in words is "one trillion, two hundred sixty-seven billion, one hundred fifty-eight million, two hundred twenty-eight thousand, four hundred ninety-five".