109971400915245 has 16 divisors (see below), whose sum is σ = 175962944370240. Its totient is φ = 58648512852864.

The previous prime is 109971400915223. The next prime is 109971400915253. The reversal of 109971400915245 is 542519004179901.

It is not a de Polignac number, because 109971400915245 - 2⁴⁴ = 92379214870829 is a prime.

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, 180997144 + ... + 181603713.

It is an arithmetic number, because the mean of its divisors is an integer number (10997684023140).

Almost surely, 2^{109971400915245} is an apocalyptic number.

109971400915245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109971400915245 is a deficient number, since it is larger than the sum of its proper divisors (65991543454995).

109971400915245 is a wasteful number, since it uses less digits than its factorization.

109971400915245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362621084.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 109971400915245 in words is "one hundred nine trillion, nine hundred seventy-one billion, four hundred million, nine hundred fifteen thousand, two hundred forty-five".