81034150678510 has 16 divisors (see below), whose sum is σ = 145862043680016. Its totient is φ = 32413533058368.

The previous prime is 81034150678493. The next prime is 81034150678529. The reversal of 81034150678510 is 1587605143018.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13204464 + ... + 18341923.

It is an arithmetic number, because the mean of its divisors is an integer number (9116377730001).

Almost surely, 2^{81034150678510} is an apocalyptic number.

81034150678510 is a deficient number, since it is larger than the sum of its proper divisors (64827893001506).

81034150678510 is a wasteful number, since it uses less digits than its factorization.

81034150678510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31803267.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 81034150678510 in words is "eighty-one trillion, thirty-four billion, one hundred fifty million, six hundred seventy-eight thousand, five hundred ten".