1156363387490 has 16 divisors (see below), whose sum is σ = 2083748991552. Its totient is φ = 462035378544.

The previous prime is 1156363387489. The next prime is 1156363387547. The reversal of 1156363387490 is 947833636511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63737534 + ... + 63755673.

It is an arithmetic number, because the mean of its divisors is an integer number (130234311972).

Almost surely, 2^{1156363387490} is an apocalyptic number.

1156363387490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156363387490 is a deficient number, since it is larger than the sum of its proper divisors (927385604062).

1156363387490 is a wasteful number, since it uses less digits than its factorization.

1156363387490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127494121.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 1156363387490 in words is "one trillion, one hundred fifty-six billion, three hundred sixty-three million, three hundred eighty-seven thousand, four hundred ninety".