1151947130944 has 21 divisors (see below), whose sum is σ = 2285912126541. Its totient is φ = 575969272320.

The previous prime is 1151947130933. The next prime is 1151947130953. The reversal of 1151947130944 is 4490317491511.

The square root of 1151947130944 is 1073288.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 307900692544 + 844046438400 = 554888^2 + 918720^2 .

It is a super-2 number, since 2×1151947130944² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8519224 + ... + 8653384.

Almost surely, 2^{1151947130944} is an apocalyptic number.

1151947130944 is the 1073288-th square number.

It is an amenable number.

1151947130944 is a deficient number, since it is larger than the sum of its proper divisors (1133964995597).

1151947130944 is an frugal number, since it uses more digits than its factorization.

1151947130944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268334 (or 134163 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

Multiplying 1151947130944 by its sum of digits (49), we get a square (56445409416256 = 7513016²).

The spelling of 1151947130944 in words is "one trillion, one hundred fifty-one billion, nine hundred forty-seven million, one hundred thirty thousand, nine hundred forty-four".