1427111528870 has 32 divisors (see below), whose sum is σ = 2652638526720. Its totient is φ = 552227512320.

The previous prime is 1427111528749. The next prime is 1427111528893. The reversal of 1427111528870 is 788251117241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534 + ... + 1689446.

It is an arithmetic number, because the mean of its divisors is an integer number (82894953960).

Almost surely, 2^{1427111528870} is an apocalyptic number.

1427111528870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427111528870 is a deficient number, since it is larger than the sum of its proper divisors (1225526997850).

1427111528870 is a wasteful number, since it uses less digits than its factorization.

1427111528870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689680.

The product of its (nonzero) digits is 250880, while the sum is 47.

The spelling of 1427111528870 in words is "one trillion, four hundred twenty-seven billion, one hundred eleven million, five hundred twenty-eight thousand, eight hundred seventy".