1100157566871 has 32 divisors (see below), whose sum is σ = 1603923342336. Its totient is φ = 665224560000.

The previous prime is 1100157566861. The next prime is 1100157566891. The reversal of 1100157566871 is 1786657510011.

It is not a de Polignac number, because 1100157566871 - 2¹³ = 1100157558679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100157566871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100157566861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28359330 + ... + 28398096.

It is an arithmetic number, because the mean of its divisors is an integer number (50122604448).

Almost surely, 2^{1100157566871} is an apocalyptic number.

1100157566871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100157566871 is a deficient number, since it is larger than the sum of its proper divisors (503765775465).

1100157566871 is a wasteful number, since it uses less digits than its factorization.

1100157566871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40743.

The product of its (nonzero) digits is 352800, while the sum is 48.

The spelling of 1100157566871 in words is "one trillion, one hundred billion, one hundred fifty-seven million, five hundred sixty-six thousand, eight hundred seventy-one".