1151005135515 has 16 divisors (see below), whose sum is σ = 1857905637408. Its totient is φ = 608436932096.

The previous prime is 1151005135507. The next prime is 1151005135573. The reversal of 1151005135515 is 5155315001511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1151005135515 - 2³ = 1151005135507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339527844 + ... + 339531233.

It is an arithmetic number, because the mean of its divisors is an integer number (116119102338).

Almost surely, 2^{1151005135515} is an apocalyptic number.

1151005135515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151005135515 is a deficient number, since it is larger than the sum of its proper divisors (706900501893).

1151005135515 is a wasteful number, since it uses less digits than its factorization.

1151005135515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679059198.

The product of its (nonzero) digits is 9375, while the sum is 33.

The spelling of 1151005135515 in words is "one trillion, one hundred fifty-one billion, five million, one hundred thirty-five thousand, five hundred fifteen".