140125554551 has 2 divisors, whose sum is σ = 140125554552. Its totient is φ = 140125554550.

The previous prime is 140125554493. The next prime is 140125554593. The reversal of 140125554551 is 155455521041.

It is a strong prime.

It is an emirp because it is prime and its reverse (155455521041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140125554551 - 2¹⁸ = 140125292407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140125556551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70062777275 + 70062777276.

It is an arithmetic number, because the mean of its divisors is an integer number (70062777276).

Almost surely, 2^140125554551 is an apocalyptic number.

140125554551 is a deficient number, since it is larger than the sum of its proper divisors (1).

140125554551 is an equidigital number, since it uses as much as digits as its factorization.

140125554551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 140125554551 in words is "one hundred forty billion, one hundred twenty-five million, five hundred fifty-four thousand, five hundred fifty-one".