1157881787845 has 16 divisors (see below), whose sum is σ = 1410007772160. Its totient is φ = 912623824000.

The previous prime is 1157881787809. The next prime is 1157881787857. The reversal of 1157881787845 is 5487871887511.

It is not a de Polignac number, because 1157881787845 - 2¹⁹ = 1157881263557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622456 + ... + 1644145.

It is an arithmetic number, because the mean of its divisors is an integer number (88125485760).

Almost surely, 2^{1157881787845} is an apocalyptic number.

It is an amenable number.

1157881787845 is a deficient number, since it is larger than the sum of its proper divisors (252125984315).

1157881787845 is a wasteful number, since it uses less digits than its factorization.

1157881787845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268116.

The product of its digits is 140492800, while the sum is 70.

The spelling of 1157881787845 in words is "one trillion, one hundred fifty-seven billion, eight hundred eighty-one million, seven hundred eighty-seven thousand, eight hundred forty-five".