109501002555 has 192 divisors, whose sum is σ = 214716751872. Its totient is φ = 46624481280.

The previous prime is 109501002547. The next prime is 109501002557. The reversal of 109501002555 is 555200105901.

It is not a de Polignac number, because 109501002555 - 2³ = 109501002547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109501002557) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 697458537 + ... + 697458693.

It is an arithmetic number, because the mean of its divisors is an integer number (1118316416).

Almost surely, 2^109501002555 is an apocalyptic number.

109501002555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109501002555 is a deficient number, since it is larger than the sum of its proper divisors (105215749317).

109501002555 is a wasteful number, since it uses less digits than its factorization.

109501002555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 109501002555 in words is "one hundred nine billion, five hundred one million, two thousand, five hundred fifty-five".