105051231545 has 16 divisors (see below), whose sum is σ = 136067796480. Its totient is φ = 77399561664.

The previous prime is 105051231533. The next prime is 105051231563. The reversal of 105051231545 is 545132150501.

It is a cyclic number.

It is not a de Polignac number, because 105051231545 - 2¹⁰ = 105051230521 is a prime.

It is a super-2 number, since 2×105051231545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812209 + ... + 1869278.

It is an arithmetic number, because the mean of its divisors is an integer number (8504237280).

Almost surely, 2^105051231545 is an apocalyptic number.

It is an amenable number.

105051231545 is a deficient number, since it is larger than the sum of its proper divisors (31016564935).

105051231545 is a wasteful number, since it uses less digits than its factorization.

105051231545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681944.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 105051231545 in words is "one hundred five billion, fifty-one million, two hundred thirty-one thousand, five hundred forty-five".