1151055661527 has 12 divisors (see below), whose sum is σ = 1662699494040. Its totient is φ = 767341115568.

The previous prime is 1151055661471. The next prime is 1151055661597. The reversal of 1151055661527 is 7251665501511.

1151055661527 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 0 + 5 + 5 + 6 + 615 + 27 = 666.

It is not a de Polignac number, because 1151055661527 - 2⁶ = 1151055661463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151055661597) 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, 2193853 + ... + 2667414.

It is an arithmetic number, because the mean of its divisors is an integer number (138558291170).

Almost surely, 2^{1151055661527} is an apocalyptic number.

1151055661527 is a deficient number, since it is larger than the sum of its proper divisors (511643832513).

1151055661527 is a wasteful number, since it uses less digits than its factorization.

1151055661527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887582 (or 4887579 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 45.

The spelling of 1151055661527 in words is "one trillion, one hundred fifty-one billion, fifty-five million, six hundred sixty-one thousand, five hundred twenty-seven".