1151145747 has 12 divisors (see below), whose sum is σ = 1666039440. Its totient is φ = 765919728.

The previous prime is 1151145727. The next prime is 1151145817. The reversal of 1151145747 is 7475411511.

It is not a de Polignac number, because 1151145747 - 2⁶ = 1151145683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151145727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121063 + ... + 130224.

It is an arithmetic number, because the mean of its divisors is an integer number (138836620).

Almost surely, 2^1151145747 is an apocalyptic number.

1151145747 is a deficient number, since it is larger than the sum of its proper divisors (514893693).

1151145747 is a wasteful number, since it uses less digits than its factorization.

1151145747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251802 (or 251799 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 1151145747 is about 33928.5388279543. The cubic root of 1151145747 is about 1048.0373759930.

The spelling of 1151145747 in words is "one billion, one hundred fifty-one million, one hundred forty-five thousand, seven hundred forty-seven".