1156278802 has 16 divisors (see below), whose sum is σ = 2030539392. Its totient is φ = 483461280.

The previous prime is 1156278797. The next prime is 1156278803. The reversal of 1156278802 is 2088726511.

It is not an unprimeable number, because it can be changed into a prime (1156278803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006638 + ... + 1007785.

It is an arithmetic number, because the mean of its divisors is an integer number (126908712).

Almost surely, 2^1156278802 is an apocalyptic number.

1156278802 is a deficient number, since it is larger than the sum of its proper divisors (874260590).

1156278802 is a wasteful number, since it uses less digits than its factorization.

1156278802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014473.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1156278802 is about 34004.0997822321. The cubic root of 1156278802 is about 1049.5928283698.

The spelling of 1156278802 in words is "one billion, one hundred fifty-six million, two hundred seventy-eight thousand, eight hundred two".