232140540455551 has 32 divisors (see below), whose sum is σ = 285824130334848. Its totient is φ = 183599202631680.

The previous prime is 232140540455479. The next prime is 232140540455623. The reversal of 232140540455551 is 155554045041232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232140540455479) and next prime (232140540455623).

It is a cyclic number.

It is not a de Polignac number, because 232140540455551 - 2¹⁵ = 232140540422783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232140540450551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2806265871 + ... + 2806348591.

It is an arithmetic number, because the mean of its divisors is an integer number (8932004072964).

Almost surely, 2^{232140540455551} is an apocalyptic number.

232140540455551 is a deficient number, since it is larger than the sum of its proper divisors (53683589879297).

232140540455551 is a wasteful number, since it uses less digits than its factorization.

232140540455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94531.

The product of its (nonzero) digits is 2400000, while the sum is 46.

Adding to 232140540455551 its reverse (155554045041232), we get a palindrome (387694585496783).

The spelling of 232140540455551 in words is "two hundred thirty-two trillion, one hundred forty billion, five hundred forty million, four hundred fifty-five thousand, five hundred fifty-one".