1151161150515 has 48 divisors (see below), whose sum is σ = 2038680651168. Its totient is φ = 552714308608.

The previous prime is 1151161150511. The next prime is 1151161150543. The reversal of 1151161150515 is 5150511611511.

It is not a de Polignac number, because 1151161150515 - 2² = 1151161150511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151161150511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4131984 + ... + 4401773.

It is an arithmetic number, because the mean of its divisors is an integer number (42472513566).

Almost surely, 2^{1151161150515} is an apocalyptic number.

1151161150515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151161150515 is a deficient number, since it is larger than the sum of its proper divisors (887519500653).

1151161150515 is a wasteful number, since it uses less digits than its factorization.

1151161150515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533828 (or 8533805 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 33.

The spelling of 1151161150515 in words is "one trillion, one hundred fifty-one billion, one hundred sixty-one million, one hundred fifty thousand, five hundred fifteen".