101511540434 has 16 divisors (see below), whose sum is σ = 159287779800. Its totient is φ = 48454944384.

The previous prime is 101511540373. The next prime is 101511540467. The reversal of 101511540434 is 434045115101.

101511540434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39821399809 + 61690140625 = 199553^2 + 248375^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 101511540397 and 101511540406.

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, 9827417 + ... + 9837740.

Almost surely, 2^101511540434 is an apocalyptic number.

101511540434 is a deficient number, since it is larger than the sum of its proper divisors (57776239366).

101511540434 is a wasteful number, since it uses less digits than its factorization.

101511540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19665277.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 101511540434 its reverse (434045115101), we get a palindrome (535556655535).

The spelling of 101511540434 in words is "one hundred one billion, five hundred eleven million, five hundred forty thousand, four hundred thirty-four".