1011199964 has 12 divisors (see below), whose sum is σ = 1770555864. Its totient is φ = 505326864.

The previous prime is 1011199957. The next prime is 1011200011. The reversal of 1011199964 is 4699911101.

It is a congruent 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, 59834 + ... + 74849.

It is an arithmetic number, because the mean of its divisors is an integer number (147546322).

Almost surely, 2^1011199964 is an apocalyptic number.

It is an amenable number.

1011199964 is a deficient number, since it is larger than the sum of its proper divisors (759355900).

1011199964 is a wasteful number, since it uses less digits than its factorization.

1011199964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136564 (or 136562 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 1011199964 is about 31799.3704969139. The cubic root of 1011199964 is about 1003.7194697260.

The spelling of 1011199964 in words is "one billion, eleven million, one hundred ninety-nine thousand, nine hundred sixty-four".