102155656011 has 8 divisors (see below), whose sum is σ = 136217066304. Its totient is φ = 68099008200.

The previous prime is 102155655991. The next prime is 102155656013. The reversal of 102155656011 is 110656551201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102155656011 - 2⁹ = 102155655499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102155656013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140265 + ... + 1226586.

It is an arithmetic number, because the mean of its divisors is an integer number (17027133288).

Almost surely, 2^102155656011 is an apocalyptic number.

102155656011 is a deficient number, since it is larger than the sum of its proper divisors (34061410293).

102155656011 is a wasteful number, since it uses less digits than its factorization.

102155656011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381241.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 102155656011 in words is "one hundred two billion, one hundred fifty-five million, six hundred fifty-six thousand, eleven".