260401551243 has 16 divisors (see below), whose sum is σ = 348597758976. Its totient is φ = 172903610880.

The previous prime is 260401551217. The next prime is 260401551259. The reversal of 260401551243 is 342155104062.

It is not a de Polignac number, because 260401551243 - 2⁵ = 260401551211 is a prime.

It is a super-3 number, since 3×260401551243³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (260401551203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499330 + ... + 2601432.

It is an arithmetic number, because the mean of its divisors is an integer number (21787359936).

Almost surely, 2^260401551243 is an apocalyptic number.

260401551243 is a deficient number, since it is larger than the sum of its proper divisors (88196207733).

260401551243 is a wasteful number, since it uses less digits than its factorization.

260401551243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105514.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 260401551243 in words is "two hundred sixty billion, four hundred one million, five hundred fifty-one thousand, two hundred forty-three".