1146125511 has 8 divisors (see below), whose sum is σ = 1697963760. Its totient is φ = 764083656.

The previous prime is 1146125417. The next prime is 1146125527. The reversal of 1146125511 is 1155216411.

1146125511 is a `hidden beast` number, since 1 + 146 + 1 + 2 + 5 + 511 = 666.

It is not a de Polignac number, because 1146125511 - 2⁹ = 1146124999 is a prime.

It is a super-2 number, since 2×1146125511² = 2627207373930022242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42449093 = 1146125511 / (1 + 1 + 4 + 6 + 1 + 2 + 5 + 5 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146121511) 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, 21224520 + ... + 21224573.

It is an arithmetic number, because the mean of its divisors is an integer number (212245470).

Almost surely, 2^1146125511 is an apocalyptic number.

1146125511 is a deficient number, since it is larger than the sum of its proper divisors (551838249).

1146125511 is an equidigital number, since it uses as much as digits as its factorization.

1146125511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42449102 (or 42449096 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 1146125511 is about 33854.4754943863. The cubic root of 1146125511 is about 1046.5116317469.

It can be divided in two parts, 114 and 6125511, that added together give a square (6125625 = 2475²).

The spelling of 1146125511 in words is "one billion, one hundred forty-six million, one hundred twenty-five thousand, five hundred eleven".