101101001000978 has 32 divisors (see below), whose sum is σ = 166807522808640. Its totient is φ = 45954376459200.

The previous prime is 101101001000977. The next prime is 101101001001023. The reversal of 101101001000978 is 879000100101101.

It is a self number, because there is not a number n which added to its sum of digits gives 101101001000978.

It is not an unprimeable number, because it can be changed into a prime (101101001000971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236728613 + ... + 237155303.

It is an arithmetic number, because the mean of its divisors is an integer number (5212735087770).

Almost surely, 2^{101101001000978} is an apocalyptic number.

101101001000978 is a deficient number, since it is larger than the sum of its proper divisors (65706521807662).

101101001000978 is an equidigital number, since it uses as much as digits as its factorization.

101101001000978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515735 (or 515713 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 101101001000978 in words is "one hundred one trillion, one hundred one billion, one million, nine hundred seventy-eight", and thus it is an aban number.