1539860049255 has 16 divisors (see below), whose sum is σ = 2687755722624. Its totient is φ = 746598811680.

The previous prime is 1539860049251. The next prime is 1539860049313. The reversal of 1539860049255 is 5529400689351.

It is a happy number.

It is not a de Polignac number, because 1539860049255 - 2² = 1539860049251 is a prime.

It is a super-2 number, since 2×1539860049255² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1539860049195 and 1539860049204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539860049251) 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, 4666242409 + ... + 4666242738.

It is an arithmetic number, because the mean of its divisors is an integer number (167984732664).

Almost surely, 2^{1539860049255} is an apocalyptic number.

1539860049255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1539860049255 is a deficient number, since it is larger than the sum of its proper divisors (1147895673369).

1539860049255 is a wasteful number, since it uses less digits than its factorization.

1539860049255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332485166.

The product of its (nonzero) digits is 11664000, while the sum is 57.

The spelling of 1539860049255 in words is "one trillion, five hundred thirty-nine billion, eight hundred sixty million, forty-nine thousand, two hundred fifty-five".