101561146502 has 16 divisors (see below), whose sum is σ = 152466753600. Its totient is φ = 50738917800.

The previous prime is 101561146459. The next prime is 101561146537. The reversal of 101561146502 is 205641165101.

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, 22815377 + ... + 22819827.

It is an arithmetic number, because the mean of its divisors is an integer number (9529172100).

Almost surely, 2^101561146502 is an apocalyptic number.

101561146502 is a deficient number, since it is larger than the sum of its proper divisors (50905607098).

101561146502 is a wasteful number, since it uses less digits than its factorization.

101561146502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 101561146502 in words is "one hundred one billion, five hundred sixty-one million, one hundred forty-six thousand, five hundred two".