1149431559986 has 64 divisors (see below), whose sum is σ = 1918334361600. Its totient is φ = 514262758464.

The previous prime is 1149431559979. The next prime is 1149431560031. The reversal of 1149431559986 is 6899551349411.

It is a super-2 number, since 2×1149431559986² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149525435 + ... + 149533121.

It is an arithmetic number, because the mean of its divisors is an integer number (29973974400).

Almost surely, 2^{1149431559986} is an apocalyptic number.

1149431559986 is a deficient number, since it is larger than the sum of its proper divisors (768902801614).

1149431559986 is a wasteful number, since it uses less digits than its factorization.

1149431559986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671.

The product of its digits is 41990400, while the sum is 65.

The spelling of 1149431559986 in words is "one trillion, one hundred forty-nine billion, four hundred thirty-one million, five hundred fifty-nine thousand, nine hundred eighty-six".