1151954519 has 2 divisors, whose sum is σ = 1151954520. Its totient is φ = 1151954518.

The previous prime is 1151954509. The next prime is 1151954543. The reversal of 1151954519 is 9154591511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151954519 is a prime.

It is a super-2 number, since 2×1151954519² = 2653998427689042722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151954509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575977259 + 575977260.

It is an arithmetic number, because the mean of its divisors is an integer number (575977260).

Almost surely, 2^1151954519 is an apocalyptic number.

1151954519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151954519 is an equidigital number, since it uses as much as digits as its factorization.

1151954519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 41.

The square root of 1151954519 is about 33940.4554919347. The cubic root of 1151954519 is about 1048.2827619072.

The spelling of 1151954519 in words is "one billion, one hundred fifty-one million, nine hundred fifty-four thousand, five hundred nineteen".