1100198157951 has 16 divisors (see below), whose sum is σ = 1565077586688. Its totient is φ = 685050787200.

The previous prime is 1100198157911. The next prime is 1100198157959. The reversal of 1100198157951 is 1597518910011.

It is not a de Polignac number, because 1100198157951 - 2⁶ = 1100198157887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100198157951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100198157959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82331155 + ... + 82344516.

It is an arithmetic number, because the mean of its divisors is an integer number (97817349168).

Almost surely, 2^{1100198157951} is an apocalyptic number.

1100198157951 is a deficient number, since it is larger than the sum of its proper divisors (464879428737).

1100198157951 is a wasteful number, since it uses less digits than its factorization.

1100198157951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164675822.

The product of its (nonzero) digits is 113400, while the sum is 48.

The spelling of 1100198157951 in words is "one trillion, one hundred billion, one hundred ninety-eight million, one hundred fifty-seven thousand, nine hundred fifty-one".