1129754978110 has 32 divisors (see below), whose sum is σ = 2225426221152. Its totient is φ = 409524017280.

The previous prime is 1129754978087. The next prime is 1129754978129. The reversal of 1129754978110 is 118794579211.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 16164657 + ... + 16234396.

It is an arithmetic number, because the mean of its divisors is an integer number (69544569411).

Almost surely, 2^{1129754978110} is an apocalyptic number.

1129754978110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129754978110 is a deficient number, since it is larger than the sum of its proper divisors (1095671243042).

1129754978110 is a wasteful number, since it uses less digits than its factorization.

1129754978110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32399388.

The product of its (nonzero) digits is 1270080, while the sum is 55.

The spelling of 1129754978110 in words is "one trillion, one hundred twenty-nine billion, seven hundred fifty-four million, nine hundred seventy-eight thousand, one hundred ten".