1125877263851 has 8 divisors (see below), whose sum is σ = 1145167718400. Its totient is φ = 1106593735720.

The previous prime is 1125877263811. The next prime is 1125877263877. The reversal of 1125877263851 is 1583627785211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125877263851 - 2²² = 1125873069547 is a prime.

It is a super-2 number, since 2×1125877263851² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125877263811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403195 + ... + 2054436.

It is an arithmetic number, because the mean of its divisors is an integer number (143145964800).

Almost surely, 2^{1125877263851} is an apocalyptic number.

1125877263851 is a deficient number, since it is larger than the sum of its proper divisors (19290454549).

1125877263851 is an equidigital number, since it uses as much as digits as its factorization.

1125877263851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463209.

The product of its digits is 5644800, while the sum is 56.

The spelling of 1125877263851 in words is "one trillion, one hundred twenty-five billion, eight hundred seventy-seven million, two hundred sixty-three thousand, eight hundred fifty-one".