1131411402515 has 4 divisors (see below), whose sum is σ = 1357693683024. Its totient is φ = 905129122008.

The previous prime is 1131411402503. The next prime is 1131411402559. The reversal of 1131411402515 is 5152041141311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131411402515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113141140247 + ... + 113141140256.

It is an arithmetic number, because the mean of its divisors is an integer number (339423420756).

Almost surely, 2^{1131411402515} is an apocalyptic number.

1131411402515 is a deficient number, since it is larger than the sum of its proper divisors (226282280509).

1131411402515 is an equidigital number, since it uses as much as digits as its factorization.

1131411402515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226282280508.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 1131411402515 its reverse (5152041141311), we get a palindrome (6283452543826).

The spelling of 1131411402515 in words is "one trillion, one hundred thirty-one billion, four hundred eleven million, four hundred two thousand, five hundred fifteen".