140505124422551 has 8 divisors (see below), whose sum is σ = 162050471156640. Its totient is φ = 119328074214048.

The previous prime is 140505124422433. The next prime is 140505124422671. The reversal of 140505124422551 is 155224421505041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-140505124422551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140505124422499 and 140505124422508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140505124424551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92074130576 + ... + 92074132101.

It is an arithmetic number, because the mean of its divisors is an integer number (20256308894580).

Almost surely, 2^{140505124422551} is an apocalyptic number.

140505124422551 is a deficient number, since it is larger than the sum of its proper divisors (21545346734089).

140505124422551 is a wasteful number, since it uses less digits than its factorization.

140505124422551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184148262793.

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 140505124422551 its reverse (155224421505041), we get a palindrome (295729545927592).

The spelling of 140505124422551 in words is "one hundred forty trillion, five hundred five billion, one hundred twenty-four million, four hundred twenty-two thousand, five hundred fifty-one".