115154450205421 has 8 divisors (see below), whose sum is σ = 125863233604704. Its totient is φ = 104485699642320.

The previous prime is 115154450205419. The next prime is 115154450205461. The reversal of 115154450205421 is 124502054451511.

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

It is a cyclic number.

It is not a de Polignac number, because 115154450205421 - 2¹ = 115154450205419 is a prime.

It is a super-2 number, since 2×115154450205421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115154450205461) 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, 10008203026 + ... + 10008214531.

It is an arithmetic number, because the mean of its divisors is an integer number (15732904200588).

Almost surely, 2^{115154450205421} is an apocalyptic number.

115154450205421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115154450205421 is a deficient number, since it is larger than the sum of its proper divisors (10708783399283).

115154450205421 is a wasteful number, since it uses less digits than its factorization.

115154450205421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20016418091.

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 115154450205421 in words is "one hundred fifteen trillion, one hundred fifty-four billion, four hundred fifty million, two hundred five thousand, four hundred twenty-one".